PartsTable
Technical Data Sheet
PartsTable / O-RING / 81.96503-0448
81.96503-0448 ✓ 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 81.96503-0448 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 5331-00-715-7723, 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
81.96503-0448
NSN: 5331-00-715-7723
FSC: 5331 — O-RING
CAGE: Z07X0 — RHEINMETALL MAN MILITARY VEHICLES AUSTRALIA PTY LTD (AUS)
SPECIFICATIONS
Part Number81.96503-0448
NSN5331-00-715-7723
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 81.96503-0448 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
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESCROSS-SECTIONAL SHAPE STYLE:116 IRREGULAR SHAPE FROM OLD FIIG A03200
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
5186690Interchangeable
interchangeable cross-reference
interchangeable
2703-1Interchangeable
interchangeable cross-reference
interchangeable
2510PL0979896Interchangeable
interchangeable cross-reference
interchangeable
895-20780 ITEM 1Interchangeable
interchangeable cross-reference
interchangeable
895-27080 ITEM 1Interchangeable
interchangeable cross-reference
interchangeable
81965030448Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 81.96503-0448?
81.96503-0448 is a 81.96503-0448.
What parts can replace 81.96503-0448?
There are 11 known substitutes for 81.96503-0448: 5186690, 2703-1, 2510PL0979896 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 81.96503-0448?
81.96503-0448 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-715-7723. 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