National Stock Number
1005-01-598-9772
National Stock Number (NSN) 1005-01-598-9772, or NIIN 015989772, (bolt,automatic weapon) was assigned September 7, 2011 in the Federal Logistics Information System (FLIS). NIIN 015989772 was cancelled on December 12, 2019, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. 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, there are no suppliers that are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 35794. [AN ITEM CONSISTING OF A BOLT CARRIER, A BREECH BOLT, A TOP PLATE, AND A LOCATING PIN. IT REPLACES A BREECH BOLT IN A RIFLE OR MACHINE GUN TO ALTER THE OPERATION OF THE WEAPON FROM GAS TO BLOW-BACK SO THAT LOW-POWERED PRACTICE AMMUNITION MAY BE USED. IT IS NOT INTENDED FOR NON-PRACTICE USAGE. EXCLUDES:BOLT, BREECH AND BREECHBLOCK.]. 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 1005015989772 does not contain precious metals.
This information was last updated on Aug 01, 2025.