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 BUTADIENE-ACRYLONITRILE CLASS NBR, center_hole_diameter: 0.858 INCHES MINIMUM AND 0.870 INCHES MAXIMUM IN, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN, material_document_and_classification: AMS7271-80 ASSN STD SINGLE MATERIAL RESPONSE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-551-8250, 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
AS3578-020
NSN:5331-00-551-8250 FSC:5331 — O-RING CAGE:81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
material
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
center_hole_diameter
0.858 INCHES MINIMUM AND 0.870 INCHES MAXIMUM IN
cross-sectional_height
0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
material_document_and_classification
AMS7271-80 ASSN STD SINGLE MATERIAL RESPONSE
NSN
5331-00-551-8250
COMPONENT DIAGRAM
KEY FEATURES
•
OUTSIDE DIAMETER: 0.989 INCHES MINIMUM AND 1.019 INCHES MAXIMUM IN
•
HARDNESS RATING: 65.0 SHORE DUROMETER A NOMINAL
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 0.0858 INCHES MINIMUM AND 0.0870 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER
0.989 INCHES MINIMUM AND 1.019 INCHES MAXIMUM IN
HARDNESS RATING
65.0 SHORE DUROMETER A NOMINAL
MATERIAL
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
CROSS-SECTIONAL HEIGHT
0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
CENTER HOLE DIAMETER
0.0858 INCHES MINIMUM AND 0.0870 INCHES MAXIMUM IN
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FREQUENTLY ASKED QUESTIONS
What is AS3578-020?
AS3578-020 is a O-RING.
What parts can replace AS3578-020?
There are 12 known substitutes for AS3578-020: AS568-020, MS9021-020, 5331PL1241454 and 9 more. Substitute compatibility should be verified for your specific system.
Is AS3578-020 still available?
AS3578-020 is currently cancelled.
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