National Stock Number
4240-00-762-9174
National Stock Number (NSN) 4240-00-762-9174, or NIIN 007629174, (filter,air,chemical-biological) has an unknown assigned date. NIIN 007629174 was cancelled on December 11, 1997, with a cancelled status of "Item is Cancelled - Inactive." 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) 32801. [AN ITEM DESIGNED TO PURIFY THE AIR AGAINST CHEMICAL-BIOLOGICAL CONTAMINANTS. IT CAN BE USED IN THE RESPIRATORY SYSTEM OF AIRCREW PERSONNEL OR WEARERS OF A CHEMICAL-BIOLOGICAL PROTECTIVE SUIT. AN EXTRA FILTER MAY BE ATTACHED TO THE HELMET OF THE PROTECTIVE SUIT OR TO THE PARACHUTE HARNESS TO BE USED DURING EMERGENCIES.]. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 4240007629174 does not contain precious metals.
This information was last updated on Jul 01, 2025.