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: 85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM, center_hole_diameter: 0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN, cross-sectional_height: 0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN, material_document_and_classification: AMS 7259 ASSN STD SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-011-4057, 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
AS3581-903
NSN:5331-01-011-4057 FSC:5331 — O-RING CAGE:0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
material
RUBBER FLUOROCARBON CLASS FPM
hardness_rating
85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM
center_hole_diameter
0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN
cross-sectional_height
0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
material_document_and_classification
AMS 7259 ASSN STD SINGLE MATERIAL RESPONSE
NSN
5331-01-011-4057
COMPONENT DIAGRAM
KEY FEATURES
•
CROSS-SECTIONAL HEIGHT: 0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
•
TEMP RATING: -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
•
CENTER HOLE DIAMETER: 0.294 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN
•
HARDNESS RATING: 90.0 SHORE DUROMETER A NOMINAL
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
•
OUTSIDE DIAMETER: 0.418 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
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FREQUENTLY ASKED QUESTIONS
What is AS3581-903?
AS3581-903 is a O-RING.
What parts can replace AS3581-903?
There are 17 known substitutes for AS3581-903: 390-3, 21490, 7712 EXPIG WHITE and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS3581-903?
AS3581-903 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-011-4057. This indicates validated use in U.S. government and defense supply chains.
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