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, outside_diameter: 1.004 INCHES NOMINAL IN, 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, end_item_identification: MRAP - COUGAR ISS 1.0; MRAP - COUGAR ISS 1.5. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-021-1906, 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
B1226-503
NSN:5331-01-021-1906 FSC:5331 — O-RING CAGE:05842 — DYNEX/RIVETT INC. (USA)
SPECIFICATIONS
material
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
outside_diameter
1.004 INCHES NOMINAL IN
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
end_item_identification
MRAP - COUGAR ISS 1.0; MRAP - COUGAR ISS 1.5
NSN
5331-01-021-1906
COMPONENT DIAGRAM
KEY FEATURES
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
OUTSIDE DIAMETER: 1.004 INCHES NOMINAL IN
•
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
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FREQUENTLY ASKED QUESTIONS
What is B1226-503?
B1226-503 is a O-RING.
What parts can replace B1226-503?
There are 30 known substitutes for B1226-503: AN500-8-4, 20506-92, 131954 and 27 more. Substitute compatibility should be verified for your specific system.
Is B1226-503 still available?
B1226-503 is currently cancelled.
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