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Technical Data Sheet
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13211491 — 13211491

✓ Government record, cited
LOCKHEED MARTIN CORPORATION · ORING SEAL
PRODUCT OVERVIEW

13211491: 13211491.

The 13211491 is a LOCKHEED MARTIN CORPORATION industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-01-454-5337, 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
13211491
NSN: 5340-01-454-5337
FSC: 5340 — Hardware, Commercial
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
Part Number13211491
ManufacturerLOCKHEED MARTIN CORPORATION
NSN5340-01-454-5337
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 13211491 MFR: LOCKHEED MARTIN CORPORATION ⚠ 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 1
10335623Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 13211491?
13211491 is a 13211491 manufactured by LOCKHEED MARTIN CORPORATION.
What parts can replace 13211491?
There is 1 known substitute for 13211491: 10335623. Substitute compatibility should be verified for your specific system.
What is the NSN for 13211491?
13211491 is cataloged in the U.S. Government catalog under NSN 5340-01-454-5337. This indicates validated use in U.S. government and defense supply chains.
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