National Stock Number
4240-01-327-3299
National Stock Number (NSN) 4240-01-327-3299, or NIIN 013273299, (mask,chemical-biological) was assigned October 12, 1990 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Oct 23, 2020, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 22753. [AN INDIVIDUAL RESPIRATORY PROTECTIVE DEVICE CONSISTING PRINCIPALLY OF A FACEPIECE OR MUZZLE-PIECE, AND CANISTER OR FILTER ELEMENTS. IT IS DESIGNED TO PROTECT THE RESPIRATORY SYSTEM AND FACE OF PERSONNEL OR ANIMALS AGAINST CHEMICAL OR BIOLOGICAL CONTAMINATION. EXCLUDES:MASK,AIR LINE; MASK,GAS; MASK,OXYGEN; MASK,RIOT CONTROL AGENT; AND RESPIRATOR,AIR FILTERING.]. 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 4240013273299 does not contain precious metals.
This information was last updated on Jul 01, 2025.