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12438505 — 12438505

✓ Government record, cited
U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM · ORING SEAL
PRODUCT OVERVIEW

12438505: 12438505.

The 12438505 is a U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-01-455-7990, 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
12438505
NSN: 5331-01-455-7990
FSC: 5331 — O-ring
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
Part Number12438505
ManufacturerU S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
NSN5331-01-455-7990
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12438505 MFR: U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM ⚠ 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
END ITEM IDENTIFICATIONUSED ON M1A2 SEP TANK
SUBSTITUTES & CROSS-REFERENCES 1
12438505-2Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
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 12438505?
12438505 is a 12438505 manufactured by U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM.
What parts can replace 12438505?
There is 1 known substitute for 12438505: 12438505-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 12438505?
12438505 is cataloged in the U.S. Government catalog under NSN 5331-01-455-7990. This indicates validated use in U.S. government and defense supply chains.
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