National Stock Number
4933-00-521-4201
National Stock Number (NSN) 4933-00-521-4201, or NIIN 005214201, (regulator,charging,recoil mechan) was assigned August 16, 1974 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, 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.
This NSN is assigned to Item Name Code (INC) 22275. [A MANUALLY OPERATED DEVICE DESIGNED FOR ACCEPTING COMPRESSED NITROGEN GAS FROM A CYLINDER AND TO DELIVER IT TO A RECOIL MECHANISM OR AN EQUILIBRATOR, CANNON. IT HAS AN OUTLET CONNECTION CONTROLLED BY A NEEDLE VALVE. A BLEEDER VALVE IS PROVIDED FOR PURGING PURPOSES AND THERE IS A THREADED PROJECTION FOR THE ATTACHMENT OF A PRESSURE GAGE. EXCLUDES:REGULATOR, PRESSURE, COMPRESSED GAS.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4933005214201 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.