The MOUTHPIECE KIT is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4240-01-464-2636, 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.
SUBJECT ITEM IS A SOLE SOURCE WITH OCENCO INC (03WY2), PRODUCT NUMBER 643040 (M20.2T MOUTHPIECE KIT), THIS IS AN ACCESSORY PART FOR THE EMERGENCY ESCAPE BREATHING (EEBD), NO FIRST ARTICLES WILL BE REQUIRED SINCE THE END ITEM QUALITY WILL BE ASSURED BY NIOSH CERTIFICATION, PGC ASSIGNED TO THE NSN IS 25787
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 643040?
643040 is a MOUTHPIECE KIT.
What is the NSN for 643040?
643040 is cataloged in the U.S. Government catalog under NSN 4240-01-464-2636. This indicates validated use in U.S. government and defense supply chains.
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