Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW
The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM, temp_rating: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF, hardness_rating: 90.0 SHORE DUROMETER A NOMINAL, outside_diameter: 2.131 INCHES NOMINAL IN, center_hole_diameter: 1.908 INCHES MINIMUM AND 1.942 INCHES MAXIMUM IN, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-128-0432, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.
WHERE IT FITS
AS3581-135
NSN:5331-01-128-0432 FSC:5331 — O-RING CAGE:81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
material
RUBBER FLUOROCARBON CLASS FPM
temp_rating
-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
hardness_rating
90.0 SHORE DUROMETER A NOMINAL
outside_diameter
2.131 INCHES NOMINAL IN
center_hole_diameter
1.908 INCHES MINIMUM AND 1.942 INCHES MAXIMUM IN
cross-sectional_height
0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN
5331-01-128-0432
COMPONENT DIAGRAM
KEY FEATURES
•
HARDNESS RATING: 90.0 SHORE DUROMETER A NOMINAL
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
•
CENTER HOLE DIAMETER: 1.908 INCHES MINIMUM AND 1.942 INCHES MAXIMUM IN
•
TEMP RATING: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
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FREQUENTLY ASKED QUESTIONS
What is AS3581-135?
AS3581-135 is a O-RING.
What parts can replace AS3581-135?
There are 13 known substitutes for AS3581-135: J120, 7912037, AS568-132 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS3581-135?
AS3581-135 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-128-0432. This indicates validated use in U.S. government and defense supply chains.
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