National Stock Number
4240-01-643-3927
National Stock Number (NSN) 4240-01-643-3927, or NIIN 016433927, (body,valve,breathing apparatus) was assigned March 31, 2015 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. None of the associated 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, only one supplier is deemed design controlled or valid supply parts.
This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE8E625V0758, SPE8E625V0758. The total value of the awarded contracts has been US$ 1,749.88.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
This NSN is assigned to Item Name Code (INC) 39052. [A METALLIC/NONMETALLIC HOUSING OF VARIOUS SHAPES AND SIZES. IT IS SPECIFICALLY DESIGNED TO ENCLOSE AND SUPPORT THE INTERNAL PART(S) OF A VALVE, BREATHING APPARATUS, OR THE LIKE.]. 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 4240016433927 does not contain precious metals.
This information was last updated on Jul 01, 2025.