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 CHLOROPRENE CLASS CR, temp_rating: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF, hardness_rating: 90.0 SHORE DUROMETER A NOMINAL, outside_diameter: 1.637 INCHES NOMINAL IN, center_hole_diameter: 1.353 INCHES MINIMUM AND 1.365 INCHES MAXIMUM IN, elongation_percentage: 100 MAXIMUM. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-103-2911, 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
AS3581-220
NSN:5331-00-103-2911 FSC:5331 — O-RING CAGE:0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
material
RUBBER CHLOROPRENE CLASS CR
temp_rating
-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
hardness_rating
90.0 SHORE DUROMETER A NOMINAL
outside_diameter
1.637 INCHES NOMINAL IN
center_hole_diameter
1.353 INCHES MINIMUM AND 1.365 INCHES MAXIMUM IN
elongation_percentage
100 MAXIMUM
cross-sectional_height
0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN
5331-00-103-2911
COMPONENT DIAGRAM
KEY FEATURES
•
CENTER HOLE DIAMETER: 1.353 INCHES MINIMUM AND 1.365 INCHES MAXIMUM IN
•
HARDNESS RATING: 90.0 SHORE DUROMETER A NOMINAL
•
OUTSIDE DIAMETER: 1.637 INCHES NOMINAL IN
•
ELONGATION PERCENTAGE: 100 MAXIMUM
•
MATERIAL: RUBBER CHLOROPRENE CLASS CR
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
TEMP RATING: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
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FREQUENTLY ASKED QUESTIONS
What is AS3581-220?
AS3581-220 is a O-RING.
What parts can replace AS3581-220?
There are 9 known substitutes for AS3581-220: 2621-607-01 PC 65-4, 40688-8 PC 22, AS3581-220 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS3581-220?
AS3581-220 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-103-2911. This indicates validated use in U.S. government and defense supply chains.
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