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Technical Data Sheet
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A271A ✓ 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,SPRING TENSION is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-124-5273, 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
A271A
NSN: 5340-00-124-5273
FSC: 5340
CAGE: 55719 — IDSC HOLDINGS LLC DIV SNAP-ON INDUSTRIAL, A DIV. OF IDSC HOLDINGS , LLC (USA)
SPECIFICATIONS
Part NumberA271A
NSN5340-00-124-5273
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A271A 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 9
DD445S5504-8PC96T0-99-108Interchangeable
interchangeable cross-reference
interchangeable
DD453S55-234PC96T0-99-108Interchangeable
interchangeable cross-reference
interchangeable
1220K1PC96-108Interchangeable
interchangeable cross-reference
interchangeable
CS502BA0625Interchangeable
interchangeable cross-reference
interchangeable
MS17795-73Interchangeable
interchangeable cross-reference
interchangeable
B810-5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A271A?
A271A is a CLIP,SPRING TENSION.
What parts can replace A271A?
There are 9 known substitutes for A271A: DD445S5504-8PC96T0-99-108, DD453S55-234PC96T0-99-108, 1220K1PC96-108 and 6 more. Substitute compatibility should be verified for your specific system.
Is A271A still available?
A271A 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