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3900957 — PLUG,EXPANSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3900957: PLUG,EXPANSION.

The PLUG,EXPANSION is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-01-194-4666, 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
3900957
NSN: 5340-01-194-4666
NIINs: 011944666, 014387410
FSC: 5340 — Hardware, Commercial
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
Part Number3900957
NSN5340-01-194-4666
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3900957 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
02/910007Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
3007635Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5340PL0826465Reference document
Same NSN cross-reference
Reference document — Informative reference only
CBU1309Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3900957?
3900957 is a PLUG,EXPANSION.
What parts can replace 3900957?
There are 4 known substitutes for 3900957: 02/910007, 3007635, 5340PL0826465 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3900957?
3900957 is cataloged in the U.S. Government catalog under NSN 5340-01-194-4666. This indicates validated use in U.S. government and defense supply chains.
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