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63439 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

63439: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include aperture_diameter: 1.000 INCHES NOMINAL IN, end_item_identification: 950 SW VALVE 1 IN 800LBS A105 CARBON STEEL LBS. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-170-9040, 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
63439
NSN: 5340-01-170-9040
NIINs: 011709040, 014748788
FSC: 5340 — Hardware, Commercial
CAGE: 93232 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING (USA)
SPECIFICATIONS
aperture_diameter1.000 INCHES NOMINAL IN
end_item_identification950 SW VALVE 1 IN 800LBS A105 CARBON STEEL LBS
NSN5340-01-170-9040
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 63439 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
SUBSTITUTES & CROSS-REFERENCES 1
LH6311 PIECE 8-2Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 63439?
63439 is a GASKET.
What parts can replace 63439?
There is 1 known substitute for 63439: LH6311 PIECE 8-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 63439?
63439 is cataloged in the U.S. Government catalog under NSN 5340-01-170-9040. This indicates validated use in U.S. government and defense supply chains.
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