National Stock Number
4240-00-177-8733
National Stock Number (NSN) 4240-00-177-8733, or NIIN 001778733, (canister,gas mask) has an unknown assigned date. NIIN 001778733 was cancelled on January 2, 1996, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 17568. [THE AIR PURIFYING ELEMENT OF GAS MASK, CONSISTING OF A METAL BODY INCLOSING A MECHANICAL FILTER AND A CHEMICAL FILLING WHICH ABSORBS AND NEUTRALIZES TOXIC GASES AND PARTICLES IN THE AIR, ALLOWING PURIFIED AIR TO PASS THROUGH.]. Information is in the Hazardous Materials Information Resource System (HMIRS). NSN 4240001778733 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.