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Technical Data Sheet
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5743399 — GASKET SET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5743399: GASKET SET.

The GASKET SET is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-01-378-8646, 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
5743399
NSN: 5330-01-378-8646
FSC: 5330 — Packing and Gasket Materials
CAGE: 34623 — AM GENERAL LLC (USA)
SPECIFICATIONS
Part Number5743399
NSN5330-01-378-8646
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5743399 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESC/O SEAL ASM-CR/SHF RR OIL(1)PN 23503969;SEAL ASM-CR/SHF FRT OIL(1)PN 10191640, GASKET-O/PMP DRV(1)PN 14022649, GASKET-W/PMP CVR(1)PN 10137492, GASKET-W/PMP CVR(1)PN 12553488, GASKET-F/PMP OPG CVR(1)PN 12560223, GASKET-F/PMP(1)PN 10114141, GASKET-F/INJN PUMP(1)PN 10137486, SEAL ASM-EXH MANIF PIPE(2)P/N 14072686
SUBSTITUTES & CROSS-REFERENCES 4
5330013788646Reference document
Same NSN cross-reference
Reference document — Informative reference only
12514591Reference document
Same NSN cross-reference
Reference document — Secondary reference
5330PL0655328Reference document
Same NSN cross-reference
Reference document — Informative reference only
12514591-RB-12532530Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5743399?
5743399 is a GASKET SET.
What parts can replace 5743399?
There are 4 known substitutes for 5743399: 5330013788646, 12514591, 5330PL0655328 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5743399?
5743399 is cataloged in the U.S. Government catalog under NSN 5330-01-378-8646. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.