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Technical Data Sheet
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620A1256 ✓ 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 CLIP,RETAINING 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 5340-01-393-9394, 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
620A1256
NSN: 5340-01-393-9394
FSC: 5340
CAGE: 0KNB0 — NORTH JERSEY MARINE ENTERPRISES DBA NORTH JERSEY MARINE ENTERPRISES INC (USA)
SPECIFICATIONS
Part Number620A1256
NSN5340-01-393-9394
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 620A1256 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 6
A0014226Interchangeable
interchangeable cross-reference
interchangeable
7000992Interchangeable
interchangeable cross-reference
interchangeable
A14226Interchangeable
interchangeable cross-reference
interchangeable
27125Interchangeable
interchangeable cross-reference
interchangeable
PLGA3430010Interchangeable
interchangeable cross-reference
interchangeable
2712-5-6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 620A1256?
620A1256 is a CLIP,RETAINING.
What parts can replace 620A1256?
There are 6 known substitutes for 620A1256: A0014226, 7000992, A14226 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 620A1256?
620A1256 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-393-9394. 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