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Technical Data Sheet
PartsTable / COMPONENT / 3300256
3300256 ✓ 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. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-499-3260, 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
3300256
NSN: 5330-00-499-3260
FSC: 5330
CAGE: 55380 — HATCH & KIRK, INC. (USA)
SPECIFICATIONS
Part Number3300256
NSN5330-00-499-3260
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3300256 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 7
25605Interchangeable
interchangeable cross-reference
interchangeable
CM45B103KInterchangeable
interchangeable cross-reference
interchangeable
120 9/16Interchangeable
interchangeable cross-reference
interchangeable
49736Interchangeable
interchangeable cross-reference
interchangeable
C08848Interchangeable
interchangeable cross-reference
interchangeable
9194068-18Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3300256?
3300256 is a GASKET.
What parts can replace 3300256?
There are 7 known substitutes for 3300256: 25605, CM45B103K, 120 9/16 and 4 more. Substitute compatibility should be verified for your specific system.
Is 3300256 still available?
3300256 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