The RETAINER is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 2815-01-104-8919, 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
4321021-1
NSN:2815-01-104-8919 FSC:2815 — Diesel Engines and Components CAGE:6M201 — ATLANTIC DETROIT DIESEL ALLISON, LLC (USA)
SPECIFICATIONS
Part Number
4321021-1
NSN
2815-01-104-8919
COMPONENT DIAGRAM
OTHER ITEMS IN FSC 2815 — Diesel Engines and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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FREQUENTLY ASKED QUESTIONS
What is 4321021-1?
4321021-1 is a RETAINER.
What parts can replace 4321021-1?
There are 2 known substitutes for 4321021-1: 4321022-1, DRP-15990A PC 5. Substitute compatibility should be verified for your specific system.
What is the NSN for 4321021-1?
4321021-1 is cataloged in the U.S. Government catalog under NSN 2815-01-104-8919. This indicates validated use in U.S. government and defense supply chains.
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