National Stock Number
1025-01-145-4699
National Stock Number (NSN) 1025-01-145-4699, or NIIN 011454699, (breech mechanism) was assigned January 12, 1983 in the Federal Logistics Information System (FLIS). NIIN 011454699 was cancelled on December 15, 2017, 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 are no manufacturer part numbers associated to 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) 35283. [A GROUP OF ITEMS THAT FUNCTION TO OPEN AND CLOSE THE BREECH. IT MAY INCLUDE A SEMIAUTOMATIC DROP BLOCK, CASE EXTRACTION, AND ELECTRIC FIRING. IT MAY PROVIDE MANUAL AND/OR AUTOMATIC OPENING OF A BREECH, EJECTION OF SPENT CARTRIDGE CASE, AND AUTOMATIC CLOSING WHEN CHAMBERING THE NEXT ROUND.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1025011454699 does not contain precious metals.
This information was last updated on Jul 01, 2025.