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Technical Data Sheet
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3840398 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3840398: GASKET.

The GASKET is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-01-059-9593, 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
3840398
NSN: 5330-01-059-9593
FSC: 5330 — Packing and Gasket Materials
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
Part Number3840398
NSN5330-01-059-9593
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3840398 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 5
7HB531Reference document
Same NSN cross-reference
Reference document — Secondary reference
1001533Reference document
Same NSN cross-reference
Reference document — Secondary reference
12419935Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
10628576Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
6D-1004Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3840398?
3840398 is a GASKET.
What parts can replace 3840398?
There are 5 known substitutes for 3840398: 7HB531, 1001533, 12419935 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3840398?
3840398 is cataloged in the U.S. Government catalog under NSN 5330-01-059-9593. This indicates validated use in U.S. government and defense supply chains.
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