PartsTable
Technical Data Sheet
PartsTable / O-RING / 8758871 / FIND 78
8758871 / FIND 78 ✓ 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 8758871 / FIND 78 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 5331-01-720-7884, 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
8758871 / FIND 78
NSN: 5331-01-720-7884
FSC: 5331 — O-RING
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
Part Number8758871 / FIND 78
NSN5331-01-720-7884
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8758871 / FIND 78 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 11
AS3209-032Interchangeable
interchangeable cross-reference
interchangeable
3531001668392Interchangeable
interchangeable cross-reference
interchangeable
2-032V884-75Interchangeable
interchangeable cross-reference
interchangeable
SAE-AMS7276Interchangeable
interchangeable cross-reference
interchangeable
8600195-03 FN15Interchangeable
interchangeable cross-reference
interchangeable
8600195-03 FN15D7Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8758871 / FIND 78?
8758871 / FIND 78 is a 8758871 / FIND 78.
What parts can replace 8758871 / FIND 78?
There are 11 known substitutes for 8758871 / FIND 78: AS3209-032, 3531001668392, 2-032V884-75 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8758871 / FIND 78?
8758871 / FIND 78 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-720-7884. 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