National Stock Number
4220-01-299-7456
National Stock Number (NSN) 4220-01-299-7456, or NIIN 012997456, (regulator,breathing gas pressure) was assigned May 5, 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. 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.
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.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4220012997456 does not contain precious metals.
This information was last updated on Aug 01, 2025.