National Stock Number
4220-00-623-7280
National Stock Number (NSN) 4220-00-623-7280, or NIIN 006237280, (regulator,breathing gas pressure,demand) was assigned March 3, 1975 in the Federal Logistics Information System (FLIS). NIIN 006237280 was cancelled on February 2, 2017, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4220011053069. This NSN replaces 1 stock number, 4220002058706.
There are 5 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Sep 27, 2010. 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: SPM8EJ09D0014. The total value of the awarded contracts has been US$ 725.28.
This NSN is somewhat common among different platforms, belonging to 5 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 25, 2020, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) 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 4220006237280 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.