The 4M8421 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5977-00-920-5335, 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
4M8421
NSN:5977-00-920-5335 FSC:5977 — Electrical Contact Brushes and Electrodes CAGE:11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
Part Number
4M8421
NSN
5977-00-920-5335
COMPONENT DIAGRAM
OTHER ITEMS IN FSC 5977 — Electrical Contact Brushes and Electrodes
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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FREQUENTLY ASKED QUESTIONS
What is 4M8421?
4M8421 is a 4M8421.
What is the NSN for 4M8421?
4M8421 is cataloged in the U.S. Government catalog under NSN 5977-00-920-5335. This indicates validated use in U.S. government and defense supply chains.
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