Flangeless Nut for 1/4″ OD Tubing, 1/2-20 Flat-Bottom, Large Knurl, PEEK, Black, Single
Product Number: U-655C
Categories: Fittings, Fluidic Connections, Large Bore Fittings, Large Bore Flangeless Fittings
This Upchurch Scientific / IDEX Health & Science / Biotech Fluidics PEEK Male Nut is frequently used with large bore fittings with a Flat-Bottom port. It is our most frequently used thread port configuration for low pressure connections. It has a 1/2-20 Flat-Bottom configuration and is for 1/4″ OD tubing.
Large Bore Fittings
- 5/16-24 or 1/2-20 threads For use with 1/16”, 1/8”, 3/16”, 1/4”, 5/16”,
- 3.0 mm, or 4.0 mm OD tubing
Each of the Large Bore Fittings comes in a convenient 10-pack and is packaged with the most popularly chosen Ferrule option. The Fittings can be ordered separately by removing the preceding letter “X” from the part number.
Related Products:
- XU-655 - Flangeless Fitting System includes the U-650 ferrule, Single
- XU-655X - Flangeless Fitting System includes the U-650 ferrule, 10/Pk
- XU-655C - Flangeless Fitting System includes the U-650 ferrule, 100/Pk
Available in the Following Configurations:
- U-655 - Single
- U-655C - 100/Pk
Part No. | Description | Port | Pressure Rating | Head Style | Material (Nut/Washer) |
LARGE BORE FITTINGS | |||||
XP-130 | Flangeless Fitting for 1/8” OD tubing | 5/16-24 Flat-Bottom | 500 psi (34 bar) | Standard Knurl | PEEK Natural/ETFE Yellow |
XP-131 | Super Flangeless Fitting for 1/8” OD tubing | 5/16-24 Flat-Bottom | 1,000 psi (69 bar) | Standard Knurl | PEEK Natural/ETFE Yellow/SST |
XP-132 | Flangeless Fitting for 3/16” OD tubing | 5/16-24 Flat-Bottom | 500 psi (34 bar) | Standard Knurl | PEEK Natural/ETFE Blue |
XP-136 | Flangeless Fitting for 1/16” OD tubing | 5/16-24 Flat-Bottom | 2,000 psi (138 bar) | Standard Knurl | PEEK Natural/ETFE Blue |
XP-137x | Super Flangeless Fitting for 3/16” OD tubing | 5/16-24 Flat-Bottom | 500 psi (34 bar) | Standard Knurl | PEEK Black/ETFE Green/SST |
XP-141 | Super Flangeless Fitting for 1/16” OD tubing | 5/16-24 Flat-Bottom | 1,350 psi (93 bar) | Standard Knurl | PEEK Natural/ETFE Yellow/SST |
XU-620 | Flangeless Fitting for 1/4” OD tubing | 1/2-20 Coned | 250 psi (17 bar) | Large Knurl | PEEK Red/ETFE Natural |
XU-655 | Flangeless Fitting for 1/4” OD tubing | 1/2-20 Flat-Bottom | 250 psi (17 bar) | Large Knurl | PEEK Black/ETFE Natural |
U-662 | Flangeless Fitting for 5/16” OD tubing | 1/2-20 Flat-Bottom | 250 psi (17 bar) | Large Knurl | PEEK Black/ETFE Natural |
REPLACEMENT FERRULES | |||||
P-133 | Flangeless Ferrule for 3/16” OD tubing | 5/16-24 Flat-Bottom | 500 psi (34 bar) | — | ETFE Blue |
P-133N | Flangeless Ferrule for 3/16” OD tubing | 5/16-24 Flat-Bottom | 500 psi (34 bar) | — | ETFE Natural |
P-140 | Super Flangeless Ferrule for 3/16” OD tubing | 5/16-24 Flat-Bottom | 500 psi (34 bar) | — | ETFE Green |
U-650 | Flangeless Ferrule for 1/4” OD tubing | 1/2-20 Flat-Bottom | 250 psi (17 bar) | — | ETFE Natural |
U-660 | Flangeless Ferrule for 5/16” OD tubing | 1/2-20 Flat-Bottom | 250 psi (17 bar) | — | ETFE Natural |
- Model: U-655
- Manufactured by: Upchurch Scientific