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Technical Data Sheet
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H303656 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

H303656: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-941-8627, 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
H303656
NSN: 5330-00-941-8627
FSC: 5330 — Packing and Gasket Materials
CAGE: 58163 — MEGGITT (NORTH HOLLYWOOD), INC. DBA MEGGITT CONTROL SYSTEMS DIV MEGGITT DEFENSE SYSTEMS, INC. (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
NSN5330-00-941-8627
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: H303656 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
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MATERIAL: RUBBER SYNTHETIC OVERALL
TECHNICAL CHARACTERISTICS
MATERIALRUBBER SYNTHETIC OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
303656Reference document
Same NSN cross-reference
Reference document — Secondary reference
9177314-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is H303656?
H303656 is a GASKET.
What parts can replace H303656?
There are 2 known substitutes for H303656: 303656, 9177314-3. Substitute compatibility should be verified for your specific system.
What is the NSN for H303656?
H303656 is cataloged in the U.S. Government catalog under NSN 5330-00-941-8627. This indicates validated use in U.S. government and defense supply chains.
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