National Stock Number
4240-01-295-7334
National Stock Number (NSN) 4240-01-295-7334, or NIIN 012957334, (breathing apparatus,self-contain) was assigned March 10, 1989 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. One of those 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, there are no suppliers that are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
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 May 02, 2006, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 21123. [A PORTABLE RESPIRATORY PROTECTIVE DEVICE, WHICH SUPPLIES RESPIRABLE AIR TO THE WEARER FROM SELF-CONTAINED AIR CYCLINDER(S) WITHOUT RECOURSE TO ATMOSPHERIC AIR SUPPLY. IT MAY HAVE BREATHING BAGS. EXCLUDES:ITEMS WHICH USE CHEMICALS TO GENERATE OXYGEN, AND RESPIRATOR OUTFIT.]. This item does not have a nuclear hardened feature but does have other critical feature(s) 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 4240012957334 does not contain precious metals.
This information was last updated on Aug 01, 2025.