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265-3943 — GASKET AND SEAL SET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

265-3943: GASKET AND SEAL SET.

The GASKET AND SEAL SET is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-01-571-9645, 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
265-3943
NSN: 5330-01-571-9645
FSC: 5330 — Packing and Gasket Materials
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
Part Number265-3943
NSN5330-01-571-9645
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 265-3943 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 4
10KP308Reference document
Same NSN cross-reference
Reference document — Secondary reference
296-9934Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
507-6208Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
592-7284Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 265-3943?
265-3943 is a GASKET AND SEAL SET.
What parts can replace 265-3943?
There are 4 known substitutes for 265-3943: 10KP308, 296-9934, 507-6208 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 265-3943?
265-3943 is cataloged in the U.S. Government catalog under NSN 5330-01-571-9645. This indicates validated use in U.S. government and defense supply chains.
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