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Technical Data Sheet
A77680 ✓ 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 AND SEAL 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 5330-01-315-7374, 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
A77680
NSN: 5330-01-315-7374
FSC: 5330
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
Part NumberA77680
NSN5330-01-315-7374
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A77680 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 7
X1516Interchangeable
interchangeable cross-reference
interchangeable
A7786-0Interchangeable
interchangeable cross-reference
interchangeable
70-1286Interchangeable
interchangeable cross-reference
interchangeable
A77640Interchangeable
Same NIIN cross-reference
interchangeable
87447514Interchangeable
Same NIIN cross-reference
interchangeable
A77480Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A77680?
A77680 is a GASKET AND SEAL SET.
What parts can replace A77680?
There are 7 known substitutes for A77680: X1516, A7786-0, 70-1286 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A77680?
A77680 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-315-7374. This indicates validated use in U.S. government and defense supply chains.
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