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Technical Data Sheet
PartsTable / COMPONENT / 1251-A14
1251-A14 ✓ 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 SEAL,OIL 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 5330-00-853-6534, 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
1251-A14
NSN: 5330-00-853-6534
FSC: 5330
CAGE: 62137 — UNIVERSAL ENGINEERING CORP. (USA)
SPECIFICATIONS
Part Number1251-A14
NSN5330-00-853-6534
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1251-A14 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 14
317-58Interchangeable
interchangeable cross-reference
interchangeable
1539716Interchangeable
interchangeable cross-reference
interchangeable
1537766Interchangeable
interchangeable cross-reference
interchangeable
572Interchangeable
interchangeable cross-reference
interchangeable
550 17Interchangeable
interchangeable cross-reference
interchangeable
46687Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1251-A14?
1251-A14 is a SEAL,OIL.
What parts can replace 1251-A14?
There are 14 known substitutes for 1251-A14: 317-58, 1539716, 1537766 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1251-A14?
1251-A14 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-853-6534. 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