The LENS RING,LOWER is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4240-01-571-8479, 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
491139
NSN:4240-01-571-8479 FSC:4240 — Safety and Rescue Equipment CAGE:55799 — MINE SAFETY APPLIANCES COMPANY (USA)
SPECIFICATIONS
Part Number
491139
NSN
4240-01-571-8479
COMPONENT DIAGRAM
OTHER ITEMS IN FSC 4240 — Safety and Rescue Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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FREQUENTLY ASKED QUESTIONS
What is 491139?
491139 is a LENS RING,LOWER.
What parts can replace 491139?
There is 1 known substitute for 491139: 7-1282-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 491139?
491139 is cataloged in the U.S. Government catalog under NSN 4240-01-571-8479. This indicates validated use in U.S. government and defense supply chains.
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