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Technical Data Sheet
PartsTable / COMPONENT / 255208C
255208C ✓ 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 GASKET is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY JACKET. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-649-8443, 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
255208C
NSN: 5330-00-649-8443
FSC: 5330
CAGE: 28265 — HERCULES ENGINE CO INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY JACKET
NSN5330-00-649-8443
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 255208C 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
•
MATERIAL: COPPER ALLOY JACKET
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY JACKET
MATERIALASBESTOS CORE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
3127Interchangeable
interchangeable cross-reference
interchangeable
75081R91Interchangeable
interchangeable cross-reference
interchangeable
FD9337Interchangeable
interchangeable cross-reference
interchangeable
WC9337Interchangeable
interchangeable cross-reference
interchangeable
D178356Interchangeable
interchangeable cross-reference
interchangeable
7605558Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 255208C?
255208C is a GASKET.
What parts can replace 255208C?
There are 13 known substitutes for 255208C: 3127, 75081R91, FD9337 and 10 more. Substitute compatibility should be verified for your specific system.
Is 255208C still available?
255208C 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