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Technical Data Sheet
PartsTable / COMPONENT / 90131-991
90131-991 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The GASKET SET is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-168-7882, 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
90131-991
NSN: 5330-01-168-7882
FSC: 5330
CAGE: 076M6 — AMZ ALABAMA INC. (USA)
SPECIFICATIONS
Part Number90131-991
NSN5330-01-168-7882
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 90131-991 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
2086895-1Interchangeable
interchangeable cross-reference
interchangeable
010003Interchangeable
interchangeable cross-reference
interchangeable
G78B3Interchangeable
interchangeable cross-reference
interchangeable
445991-3Interchangeable
interchangeable cross-reference
interchangeable
010-003-002Interchangeable
interchangeable cross-reference
interchangeable
B347-2063Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 90131-991?
90131-991 is a GASKET SET.
What parts can replace 90131-991?
There are 15 known substitutes for 90131-991: 2086895-1, 010003, G78B3 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 90131-991?
90131-991 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-168-7882. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026