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 SILICONE CLASS Q, center_hole_diameter: 0.915 INCHES MINIMUM AND 0.927 INCHES MAXIMUM IN, cross-sectional_height: 0.136 INCHES MINIMUM AND 0.142 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-599-2831, 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
A-A-55549
NSN:5331-00-599-2831 FSC:5331 — O-RING CAGE:58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
material
RUBBER SILICONE CLASS Q
center_hole_diameter
0.915 INCHES MINIMUM AND 0.927 INCHES MAXIMUM IN
cross-sectional_height
0.136 INCHES MINIMUM AND 0.142 INCHES MAXIMUM IN
NSN
5331-00-599-2831
COMPONENT DIAGRAM
KEY FEATURES
•
HARDNESS RATING: 50.0 SHORE DUROMETER A NOMINAL
•
TEMP RATING: -103.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
•
CENTER HOLE DIAMETER: 0.421 INCHES MINIMUM AND 0.431 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 A-A-55549?
A-A-55549 is a O-RING.
What parts can replace A-A-55549?
There are 34 known substitutes for A-A-55549: 123550, C1394PC9, 691-00013 and 31 more. Substitute compatibility should be verified for your specific system.
Is A-A-55549 still available?
A-A-55549 is currently cancelled.
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