National Stock Number
6640-01-632-0596
National Stock Number (NSN) 6640-01-632-0596, or NIIN 016320596, (test kit,leakage,oxygen mask and) was assigned October 6, 2014 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 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 07, 2014, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 14494. [A COLLECTION OF ITEMS SUCH AS BURETTES, LEVELING BULBS, FLASKS, BEAKERS, VARIOUS CHEMICALS, AND ACCESSORIES REQUIRED FOR USE IN TESTING THE LEAKAGE OF AIR INTO OXYGEN MASKS AND REGULATORS WHILE IN ACTUAL USE.]. 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 6640016320596 does not contain precious metals.
This information was last updated on Jun 01, 2025.