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SK251-61 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

SK251-61: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, cross-sectional_height: 0.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-025-6606, 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
SK251-61
NSN: 5331-00-025-6606
FSC: 5331 — O-ring
CAGE: 77237 — DANA OFF HIGHWAY PRODUCTS, LLC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
cross-sectional_height0.125 INCHES NOMINAL IN
NSN5331-00-025-6606
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SK251-61 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
KEY FEATURES
•
CROSS-SECTIONAL HEIGHT: 0.125 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.125 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC
SUBSTITUTES & CROSS-REFERENCES 5
2496T2Reference document
Same NSN cross-reference
Reference document — Secondary reference
8A7347Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SP61Reference document
Same NSN cross-reference
Reference document — Secondary reference
224066Reference document
Same NSN cross-reference
Reference document — Secondary reference
469787Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SK251-61?
SK251-61 is a O-RING.
What parts can replace SK251-61?
There are 5 known substitutes for SK251-61: 2496T2, 8A7347, SP61 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SK251-61?
SK251-61 is cataloged in the U.S. Government catalog under NSN 5331-00-025-6606. This indicates validated use in U.S. government and defense supply chains.
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