National Stock Number
4220-01-331-1875
National Stock Number (NSN) 4220-01-331-1875, or NIIN 013311875, (regulator,breathing gas pressure) was assigned December 14, 1990 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 4 manufacturer part numbers associated with this NSN. 3 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, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over a year. There have been 14 contracts issued for this part number, with 27 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 5 different suppliers. The last contract numbers awarded were: SPE8EJ22F1412, SPE8EJ21F152T, SPE8EJ21F9637, SPE8EJ21F8927, SPE8EJ21F8928. The total value of the awarded contracts has been US$ 47,629.65.
This NSN is somewhat common among different platforms, belonging to 6 different weapons systems.
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 requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 67375. [A REGULATOR DESIGNED TO DELIVER BREATHING GAS AUTOMATICALLY SUCH AS AIR, OXYGEN, MIXTURE, AND THE LIKE, WHEN THE USER INHALES. IT IS INTENDED FOR USE WITH BREATHING APPARATUS FOR DIVE AND/OR RESCUE. EXCLUDES:REGULATOR (1),OXYGEN,DEMAND.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4220013311875 does not contain precious metals.
This information was last updated on May 01, 2025.