National Stock Number
4240-00-127-7186
National Stock Number (NSN) 4240-00-127-7186, or NIIN 001277186, (canister,chemical-biological mas) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 17567. [AN AIR FILTERING DEVICE DESIGNED TO BE INSERTED IN THE FACEPIECE OF A MASK, CHEMICAL-BIOLOGICAL. IT IS DESIGNED TO REMOVE FROM THE AIR PASSING THROUGH IT TOXIC AND/OR IRRITATING CHEMICAL VAPORS, GASES AND PARTICULATE CONTAMINANTS (DUST, FUMES, MISTS, FOGS, AND SMOKES) INCLUDING BIOLOGICAL ORGANISMS LIKELY TO TO BE USED IN WARFARE. IT MAY FILTER INDUSTRIAL DUSTS, FUMES, MISTS, FOGS AND SMOKE, BUT IS NOT DESIGNED TO REMOVE INDUSTRIAL TYPE GASES OR VAPORS. SEE ALSO CANISTER, GAS MASK.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. 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 4240001277186 does not contain precious metals.
This information was last updated on Jul 01, 2025.