National Stock Number
5210-00-731-9900
National Stock Number (NSN) 5210-00-731-9900, or NIIN 007319900, (gage,breech bore,machine gun) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 7 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
This NSN is assigned to Item Name Code (INC) 62397. [A METALLIC, RODLIKE ITEM, MARKED WITH GRADUATIONS OF LINEAR MEASUREMENT. IT IS DESIGNED TO MEASURE THE EXTENT OF WEAR IN THE BREECHBORE OF A MACHINE GUN.]. 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 5210007319900 does not contain precious metals.
This NSN is associated to Schedule B 9301909030: machine guns, military. The Schedule B End Use is listed as tanks, artillery, missiles, rockets, guns and ammunition. NAICS classification category 332994: small arms, ordnance, and ordnance accessories manufacturing.
This information was last updated on Aug 01, 2025.