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Technical Data Sheet
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12340041-3 — CLOSER,DOOR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12340041-3: CLOSER,DOOR.

The CLOSER,DOOR is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-01-236-2112, 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
12340041-3
NSN: 5340-01-236-2112
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
Part Number12340041-3
NSN5340-01-236-2112
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12340041-3 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
12460161-3Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
5342PL0805254Reference document
Same NSN cross-reference
Reference document — Informative reference only
F2802Reference document
Same NSN cross-reference
Reference document — Secondary reference
12460161Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 12340041-3?
12340041-3 is a CLOSER,DOOR.
What parts can replace 12340041-3?
There are 4 known substitutes for 12340041-3: 12460161-3, 5342PL0805254, F2802 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12340041-3?
12340041-3 is cataloged in the U.S. Government catalog under NSN 5340-01-236-2112. 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.