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, hardness_rating: 65.0 SHORE DUROMETER A NOMINAL, outside_diameter: 1.989 INCHES MINIMUM AND 2.035 INCHES MAXIMUM IN, center_hole_diameter: 1.724 INCHES MINIMUM AND 1.744 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-531-2260, 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
318S2
NSN:5331-00-531-2260 FSC:5331 — O-RING CAGE:06848 — HONEYWELL INTERNATIONAL INC DIV AEROSPACE-SOUTH BEND (BENDIX DR) (USA)
SPECIFICATIONS
material
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
hardness_rating
65.0 SHORE DUROMETER A NOMINAL
outside_diameter
1.989 INCHES MINIMUM AND 2.035 INCHES MAXIMUM IN
center_hole_diameter
1.724 INCHES MINIMUM AND 1.744 INCHES MAXIMUM IN
cross-sectional_height
0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN
5331-00-531-2260
COMPONENT DIAGRAM
KEY FEATURES
•
HARDNESS RATING: 65.0 SHORE DUROMETER A NOMINAL
•
CENTER HOLE DIAMETER: 1.724 INCHES MINIMUM AND 1.744 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
OUTSIDE DIAMETER: 1.989 INCHES MINIMUM AND 2.035 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
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FREQUENTLY ASKED QUESTIONS
What is 318S2?
318S2 is a O-RING.
What parts can replace 318S2?
There are 9 known substitutes for 318S2: 9-0100-241, 3204-407, 476-0365-00 and 6 more. Substitute compatibility should be verified for your specific system.
Is 318S2 still available?
318S2 is currently cancelled.
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