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12438505-2 — 12438505-2

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12438505-2: 12438505-2.

The 12438505-2 is a the manufacturer 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
12438505-2
NSN: 5331-01-455-7990
FSC: 5331 — O-ring
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
Part Number12438505-2
NSN5331-01-455-7990
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12438505-2 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
END ITEM IDENTIFICATIONUSED ON M1A2 SEP TANK
SUBSTITUTES & CROSS-REFERENCES 1
12438505Reference document
Same NSN cross-reference
Reference document — Secondary 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 12438505-2?
12438505-2 is a 12438505-2.
What parts can replace 12438505-2?
There is 1 known substitute for 12438505-2: 12438505. Substitute compatibility should be verified for your specific system.
What is the NSN for 12438505-2?
12438505-2 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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