Flanged Fittings

For Flat-Bottom Ports

  • Interchangeable with Cheminert® and Omnifit® Fittings
Upchurch Scientific® 1/4-28 Flanged Fittings are compatible with most standard flanged fittings. The hard, inert Delrin® (acetal resin) nut resists cross threading or loosening during use, while the Tefzel® (ETFE) nuts work well in chemically aggressive environments. The nuts are interchangeable with Cheminert and Omnifit fittings.

Each color-coded Flanged Fitting is shipped with a stainless steel washer to ensure a good seal and firm connection in any flat-bottom port. For an alternative to flanging tubing, we highly recommend the Flangeless Fittings, the Super Flangeless™ Fittings, or the VacuTight™ Fittings.

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P-312 , Lock Nut - Flangeless ...

The P-312 Lock Nut is for use with any 1/4-28 male Flangeless Fitting. Use this product in applications where vibrations can loosen fittings.

To Use: Thread the lock nut onto the male fitting. When the male fitting is firmly seated into the receiving port, tighten the lock nut down against the receiving port to securely hold the male fitting in place.

Lock Nut for Flangeless Nuts.
$2.48

P-401 , Flanged Nut/Washer 1/1...

For Flat-Bottom Ports
  • Interchangeable with Cheminert® and Omnifit® Fittings
Upchurch Scientific® 1/4-28 Flanged Fittings are compatible with most standard flanged fittings. The hard, inert Delrin® (acetal resin) nut resists cross threading or loosening during use, while the Tefzel® (ETFE) nuts work well in chemically aggressive environments. The nuts are interchangeable with Cheminert and Omnifit fittings.

Each color-coded Flanged Fitting is shipped with a stainless steel washer to ensure a good seal and firm connection in any flat-bottom port. For an alternative to flanging tubing, we highly recommend the Flangeless Fittings, the Super Flangeless™ Fittings, or the VacuTight™ Fittings.
$2.45

P-402 , Flanged Nut/Washer 1/1...

For Flat-Bottom Ports
  • Interchangeable with Cheminert® and Omnifit® Fittings
Upchurch Scientific® 1/4-28 Flanged Fittings are compatible with most standard flanged fittings. The hard, inert Delrin® (acetal resin) nut resists cross threading or loosening during use, while the Tefzel® (ETFE) nuts work well in chemically aggressive environments. The nuts are interchangeable with Cheminert and Omnifit fittings.

Each color-coded Flanged Fitting is shipped with a stainless steel washer to ensure a good seal and firm connection in any flat-bottom port. For an alternative to flanging tubing, we highly recommend the Flangeless Fittings, the Super Flangeless™ Fittings, or the VacuTight™ Fittings.
$2.45

P-403 , Flanged Nut/Washer 1/1...

For Flat-Bottom Ports
  • Interchangeable with Cheminert® and Omnifit® Fittings
Upchurch Scientific® 1/4-28 Flanged Fittings are compatible with most standard flanged fittings. The hard, inert Delrin® (acetal resin) nut resists cross threading or loosening during use, while the Tefzel® (ETFE) nuts work well in chemically aggressive environments. The nuts are interchangeable with Cheminert and Omnifit fittings.

Each color-coded Flanged Fitting is shipped with a stainless steel washer to ensure a good seal and firm connection in any flat-bottom port. For an alternative to flanging tubing, we highly recommend the Flangeless Fittings, the Super Flangeless™ Fittings, or the VacuTight™ Fittings.
$1.72

P-406X , Flanged Fitting for 1...

For Flat-Bottom Ports
  • Interchangeable with Cheminert® and Omnifit® Fittings
Upchurch Scientific® 1/4-28 Flanged Fittings are compatible with most standard flanged fittings. The hard, inert Delrin® (acetal resin) nut resists cross threading or loosening during use, while the Tefzel® (ETFE) nuts work well in chemically aggressive environments. The nuts are interchangeable with Cheminert and Omnifit fittings.

Each color-coded Flanged Fitting is shipped with a stainless steel washer to ensure a good seal and firm connection in any flat-bottom port. For an alternative to flanging tubing, we highly recommend the Flangeless Fittings, the Super Flangeless™ Fittings, or the VacuTight™ Fittings.
$15.20

P-480B , Flanged Fttg Hex 1/16...

For Flat-Bottom Ports
  • Interchangeable with Cheminert® and Omnifit® Fittings
Upchurch Scientific® 1/4-28 Flanged Fittings are compatible with most standard flanged fittings. The hard, inert Delrin® (acetal resin) nut resists cross threading or loosening during use, while the Tefzel® (ETFE) nuts work well in chemically aggressive environments. The nuts are interchangeable with Cheminert and Omnifit fittings.

Each color-coded Flanged Fitting is shipped with a stainless steel washer to ensure a good seal and firm connection in any flat-bottom port. For an alternative to flanging tubing, we highly recommend the Flangeless Fittings, the Super Flangeless™ Fittings, or the VacuTight™ Fittings.
$1.56

P-480G , Flanged Fttg Hex 1/16...

For Flat-Bottom Ports
  • Interchangeable with Cheminert® and Omnifit® Fittings
Upchurch Scientific® 1/4-28 Flanged Fittings are compatible with most standard flanged fittings. The hard, inert Delrin® (acetal resin) nut resists cross threading or loosening during use, while the Tefzel® (ETFE) nuts work well in chemically aggressive environments. The nuts are interchangeable with Cheminert and Omnifit fittings.

Each color-coded Flanged Fitting is shipped with a stainless steel washer to ensure a good seal and firm connection in any flat-bottom port. For an alternative to flanging tubing, we highly recommend the Flangeless Fittings, the Super Flangeless™ Fittings, or the VacuTight™ Fittings.
$1.92

P-480R , Flanged Fttg Hex 1/16...

For Flat-Bottom Ports
  • Interchangeable with Cheminert® and Omnifit® Fittings
Upchurch Scientific® 1/4-28 Flanged Fittings are compatible with most standard flanged fittings. The hard, inert Delrin® (acetal resin) nut resists cross threading or loosening during use, while the Tefzel® (ETFE) nuts work well in chemically aggressive environments. The nuts are interchangeable with Cheminert and Omnifit fittings.

Each color-coded Flanged Fitting is shipped with a stainless steel washer to ensure a good seal and firm connection in any flat-bottom port. For an alternative to flanging tubing, we highly recommend the Flangeless Fittings, the Super Flangeless™ Fittings, or the VacuTight™ Fittings.
$1.92

P-480T , Flanged Fttg Hex 1/16...

For Flat-Bottom Ports
  • Interchangeable with Cheminert® and Omnifit® Fittings
Upchurch Scientific® 1/4-28 Flanged Fittings are compatible with most standard flanged fittings. The hard, inert Delrin® (acetal resin) nut resists cross threading or loosening during use, while the Tefzel® (ETFE) nuts work well in chemically aggressive environments. The nuts are interchangeable with Cheminert and Omnifit fittings.

Each color-coded Flanged Fitting is shipped with a stainless steel washer to ensure a good seal and firm connection in any flat-bottom port. For an alternative to flanging tubing, we highly recommend the Flangeless Fittings, the Super Flangeless™ Fittings, or the VacuTight™ Fittings.
$2.05

P-480W , Flanged Fttg Hex 1/16...

For Flat-Bottom Ports
  • Interchangeable with Cheminert® and Omnifit® Fittings
Upchurch Scientific® 1/4-28 Flanged Fittings are compatible with most standard flanged fittings. The hard, inert Delrin® (acetal resin) nut resists cross threading or loosening during use, while the Tefzel® (ETFE) nuts work well in chemically aggressive environments. The nuts are interchangeable with Cheminert and Omnifit fittings.

Each color-coded Flanged Fitting is shipped with a stainless steel washer to ensure a good seal and firm connection in any flat-bottom port. For an alternative to flanging tubing, we highly recommend the Flangeless Fittings, the Super Flangeless™ Fittings, or the VacuTight™ Fittings.
$1.92

P-482B , Flanged Fttg Knurl 1/...

For Flat-Bottom Ports
  • Interchangeable with Cheminert® and Omnifit® Fittings
Upchurch Scientific® 1/4-28 Flanged Fittings are compatible with most standard flanged fittings. The hard, inert Delrin® (acetal resin) nut resists cross threading or loosening during use, while the Tefzel® (ETFE) nuts work well in chemically aggressive environments. The nuts are interchangeable with Cheminert and Omnifit fittings.

Each color-coded Flanged Fitting is shipped with a stainless steel washer to ensure a good seal and firm connection in any flat-bottom port. For an alternative to flanging tubing, we highly recommend the Flangeless Fittings, the Super Flangeless™ Fittings, or the VacuTight™ Fittings.
$2.10

P-482BLK , Flanged Fttg Knurl ...

For Flat-Bottom Ports
  • Interchangeable with Cheminert® and Omnifit® Fittings
Upchurch Scientific® 1/4-28 Flanged Fittings are compatible with most standard flanged fittings. The hard, inert Delrin® (acetal resin) nut resists cross threading or loosening during use, while the Tefzel® (ETFE) nuts work well in chemically aggressive environments. The nuts are interchangeable with Cheminert and Omnifit fittings.

Each color-coded Flanged Fitting is shipped with a stainless steel washer to ensure a good seal and firm connection in any flat-bottom port. For an alternative to flanging tubing, we highly recommend the Flangeless Fittings, the Super Flangeless™ Fittings, or the VacuTight™ Fittings.
$2.45

P-482C , Flanged Fttg Knurl 1/...

For Flat-Bottom Ports
  • Interchangeable with Cheminert® and Omnifit® Fittings
Upchurch Scientific® 1/4-28 Flanged Fittings are compatible with most standard flanged fittings. The hard, inert Delrin® (acetal resin) nut resists cross threading or loosening during use, while the Tefzel® (ETFE) nuts work well in chemically aggressive environments. The nuts are interchangeable with Cheminert and Omnifit fittings.

Each color-coded Flanged Fitting is shipped with a stainless steel washer to ensure a good seal and firm connection in any flat-bottom port. For an alternative to flanging tubing, we highly recommend the Flangeless Fittings, the Super Flangeless™ Fittings, or the VacuTight™ Fittings.
$3.23

P-482G , Flanged Fttg Knurl 1/...

For Flat-Bottom Ports
  • Interchangeable with Cheminert® and Omnifit® Fittings
Upchurch Scientific® 1/4-28 Flanged Fittings are compatible with most standard flanged fittings. The hard, inert Delrin® (acetal resin) nut resists cross threading or loosening during use, while the Tefzel® (ETFE) nuts work well in chemically aggressive environments. The nuts are interchangeable with Cheminert and Omnifit fittings.

Each color-coded Flanged Fitting is shipped with a stainless steel washer to ensure a good seal and firm connection in any flat-bottom port. For an alternative to flanging tubing, we highly recommend the Flangeless Fittings, the Super Flangeless™ Fittings, or the VacuTight™ Fittings.
$2.11

P-482R , Flanged Fttg Knurl 1/...

For Flat-Bottom Ports
  • Interchangeable with Cheminert® and Omnifit® Fittings
Upchurch Scientific® 1/4-28 Flanged Fittings are compatible with most standard flanged fittings. The hard, inert Delrin® (acetal resin) nut resists cross threading or loosening during use, while the Tefzel® (ETFE) nuts work well in chemically aggressive environments. The nuts are interchangeable with Cheminert and Omnifit fittings.

Each color-coded Flanged Fitting is shipped with a stainless steel washer to ensure a good seal and firm connection in any flat-bottom port. For an alternative to flanging tubing, we highly recommend the Flangeless Fittings, the Super Flangeless™ Fittings, or the VacuTight™ Fittings.
$2.06

P-482T , Flanged Fttg Knurl 1/...

For Flat-Bottom Ports
  • Interchangeable with Cheminert® and Omnifit® Fittings
Upchurch Scientific® 1/4-28 Flanged Fittings are compatible with most standard flanged fittings. The hard, inert Delrin® (acetal resin) nut resists cross threading or loosening during use, while the Tefzel® (ETFE) nuts work well in chemically aggressive environments. The nuts are interchangeable with Cheminert and Omnifit fittings.

Each color-coded Flanged Fitting is shipped with a stainless steel washer to ensure a good seal and firm connection in any flat-bottom port. For an alternative to flanging tubing, we highly recommend the Flangeless Fittings, the Super Flangeless™ Fittings, or the VacuTight™ Fittings.
$1.70

P-407-01 , Washer SS 1/16in

Stainless Steel Washers
$1.05

P-504X , Flanged Fitting 1/8 C...

For Flat-Bottom Ports
  • Interchangeable with Cheminert® and Omnifit® Fittings
Upchurch Scientific® 1/4-28 Flanged Fittings are compatible with most standard flanged fittings. The hard, inert Delrin® (acetal resin) nut resists cross threading or loosening during use, while the Tefzel® (ETFE) nuts work well in chemically aggressive environments. The nuts are interchangeable with Cheminert and Omnifit fittings.

Each color-coded Flanged Fitting is shipped with a stainless steel washer to ensure a good seal and firm connection in any flat-bottom port. For an alternative to flanging tubing, we highly recommend the Flangeless Fittings, the Super Flangeless™ Fittings, or the VacuTight™ Fittings.
$15.20

P-508X , Flanged Fitting for 1...

For Flat-Bottom Ports
  • Interchangeable with Cheminert® and Omnifit® Fittings
Upchurch Scientific® 1/4-28 Flanged Fittings are compatible with most standard flanged fittings. The hard, inert Delrin® (acetal resin) nut resists cross threading or loosening during use, while the Tefzel® (ETFE) nuts work well in chemically aggressive environments. The nuts are interchangeable with Cheminert and Omnifit fittings.

Each color-coded Flanged Fitting is shipped with a stainless steel washer to ensure a good seal and firm connection in any flat-bottom port. For an alternative to flanging tubing, we highly recommend the Flangeless Fittings, the Super Flangeless™ Fittings, or the VacuTight™ Fittings.
$15.20

P-580B , Flanged Fttg Hex 1/8i...

For Flat-Bottom Ports
  • Interchangeable with Cheminert® and Omnifit® Fittings
Upchurch Scientific® 1/4-28 Flanged Fittings are compatible with most standard flanged fittings. The hard, inert Delrin® (acetal resin) nut resists cross threading or loosening during use, while the Tefzel® (ETFE) nuts work well in chemically aggressive environments. The nuts are interchangeable with Cheminert and Omnifit fittings.

Each color-coded Flanged Fitting is shipped with a stainless steel washer to ensure a good seal and firm connection in any flat-bottom port. For an alternative to flanging tubing, we highly recommend the Flangeless Fittings, the Super Flangeless™ Fittings, or the VacuTight™ Fittings.
$1.62

P-580BLK , Flanged Fttg Hex 1/...

For Flat-Bottom Ports
  • Interchangeable with Cheminert® and Omnifit® Fittings
Upchurch Scientific® 1/4-28 Flanged Fittings are compatible with most standard flanged fittings. The hard, inert Delrin® (acetal resin) nut resists cross threading or loosening during use, while the Tefzel® (ETFE) nuts work well in chemically aggressive environments. The nuts are interchangeable with Cheminert and Omnifit fittings.

Each color-coded Flanged Fitting is shipped with a stainless steel washer to ensure a good seal and firm connection in any flat-bottom port. For an alternative to flanging tubing, we highly recommend the Flangeless Fittings, the Super Flangeless™ Fittings, or the VacuTight™ Fittings.
$1.98

P-580C , Flanged Fttg Hex 1/8i...

For Flat-Bottom Ports
  • Interchangeable with Cheminert® and Omnifit® Fittings
Upchurch Scientific® 1/4-28 Flanged Fittings are compatible with most standard flanged fittings. The hard, inert Delrin® (acetal resin) nut resists cross threading or loosening during use, while the Tefzel® (ETFE) nuts work well in chemically aggressive environments. The nuts are interchangeable with Cheminert and Omnifit fittings.

Each color-coded Flanged Fitting is shipped with a stainless steel washer to ensure a good seal and firm connection in any flat-bottom port. For an alternative to flanging tubing, we highly recommend the Flangeless Fittings, the Super Flangeless™ Fittings, or the VacuTight™ Fittings.
$1.92

P-580G , Flanged Fttg Hex 1/8i...

For Flat-Bottom Ports
  • Interchangeable with Cheminert® and Omnifit® Fittings
Upchurch Scientific® 1/4-28 Flanged Fittings are compatible with most standard flanged fittings. The hard, inert Delrin® (acetal resin) nut resists cross threading or loosening during use, while the Tefzel® (ETFE) nuts work well in chemically aggressive environments. The nuts are interchangeable with Cheminert and Omnifit fittings.

Each color-coded Flanged Fitting is shipped with a stainless steel washer to ensure a good seal and firm connection in any flat-bottom port. For an alternative to flanging tubing, we highly recommend the Flangeless Fittings, the Super Flangeless™ Fittings, or the VacuTight™ Fittings.
$1.99

P-580GRY , Flanged Fttg Hex 1/...

For Flat-Bottom Ports
  • Interchangeable with Cheminert® and Omnifit® Fittings
Upchurch Scientific® 1/4-28 Flanged Fittings are compatible with most standard flanged fittings. The hard, inert Delrin® (acetal resin) nut resists cross threading or loosening during use, while the Tefzel® (ETFE) nuts work well in chemically aggressive environments. The nuts are interchangeable with Cheminert and Omnifit fittings.

Each color-coded Flanged Fitting is shipped with a stainless steel washer to ensure a good seal and firm connection in any flat-bottom port. For an alternative to flanging tubing, we highly recommend the Flangeless Fittings, the Super Flangeless™ Fittings, or the VacuTight™ Fittings.
$1.99

P-580R , Flanged Fttg Hex 1/8i...

For Flat-Bottom Ports
  • Interchangeable with Cheminert® and Omnifit® Fittings
Upchurch Scientific® 1/4-28 Flanged Fittings are compatible with most standard flanged fittings. The hard, inert Delrin® (acetal resin) nut resists cross threading or loosening during use, while the Tefzel® (ETFE) nuts work well in chemically aggressive environments. The nuts are interchangeable with Cheminert and Omnifit fittings.

Each color-coded Flanged Fitting is shipped with a stainless steel washer to ensure a good seal and firm connection in any flat-bottom port. For an alternative to flanging tubing, we highly recommend the Flangeless Fittings, the Super Flangeless™ Fittings, or the VacuTight™ Fittings.
$1.99