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, hardness_rating: 90.0 SHORE DUROMETER A NOMINAL, outside_diameter: 1.693 INCHES NOMINAL IN, center_hole_diameter: 1.475 INCHES MINIMUM AND 1.499 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM, 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 5331-01-104-4906, 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
AS3581-128
NSN:5331-01-104-4906 FSC:5331 — O-RING CAGE:81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
material
RUBBER FLUOROCARBON CLASS FPM
hardness_rating
90.0 SHORE DUROMETER A NOMINAL
outside_diameter
1.693 INCHES NOMINAL IN
center_hole_diameter
1.475 INCHES MINIMUM AND 1.499 INCHES MAXIMUM IN
elongation_percentage
125 MAXIMUM
cross-sectional_height
0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN
5331-01-104-4906
COMPONENT DIAGRAM
KEY FEATURES
•
OUTSIDE DIAMETER: 1.693 INCHES NOMINAL IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
•
HARDNESS RATING: 90.0 SHORE DUROMETER A NOMINAL
•
CENTER HOLE DIAMETER: 1.475 INCHES MINIMUM AND 1.499 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
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FREQUENTLY ASKED QUESTIONS
What is AS3581-128?
AS3581-128 is a O-RING.
What parts can replace AS3581-128?
There are 20 known substitutes for AS3581-128: 24730, ST7M192-2, 24730A001 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS3581-128?
AS3581-128 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-104-4906. This indicates validated use in U.S. government and defense supply chains.
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