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Technical Data Sheet
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1280586 ✓ 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 CUP,COMPRESSION 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 5340-00-765-4735, 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
1280586
NSN: 5340-00-765-4735
FSC: 5340
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
Part Number1280586
NSN5340-00-765-4735
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1280586 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 16
2775Upgraded Successor
successor cross-reference
successor
02-0775-20Interchangeable
interchangeable cross-reference
interchangeable
5208KFFSTInterchangeable
interchangeable cross-reference
interchangeable
128054AInterchangeable
interchangeable cross-reference
interchangeable
114026Interchangeable
interchangeable cross-reference
interchangeable
L648REV3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1280586?
1280586 is a CUP,COMPRESSION.
What parts can replace 1280586?
There are 16 known substitutes for 1280586: 2775, 02-0775-20, 5208KFFST and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1280586?
1280586 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-765-4735. 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