PartsTable
Technical Data Sheet
PartsTable / O-RING / 2502774-26
2502774-26 ✓ 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 O-RING is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-127-7459, 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
2502774-26
NSN: 5331-00-127-7459
FSC: 5331 — O-RING
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
Part Number2502774-26
NSN5331-00-127-7459
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2502774-26 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
100606Interchangeable
interchangeable cross-reference
interchangeable
D2355PC22-1/4INInterchangeable
interchangeable cross-reference
interchangeable
E0540 2-017Interchangeable
interchangeable cross-reference
interchangeable
2-017 E540-80Interchangeable
interchangeable cross-reference
interchangeable
TESCOM 5200-020177CPInterchangeable
interchangeable cross-reference
interchangeable
A6689.017.222Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2502774-26?
2502774-26 is a O-RING.
What parts can replace 2502774-26?
There are 15 known substitutes for 2502774-26: 100606, D2355PC22-1/4IN, E0540 2-017 and 12 more. Substitute compatibility should be verified for your specific system.
Is 2502774-26 still available?
2502774-26 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026