DLMS™ Summary National Stock Number 1015-01-165-4845 National Stock Number (NSN) 1015-01-165-4845, or NIIN 011654845, (breech mechanism) was assigned October 29, 1983 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 22, 2015, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5. 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 1015011654845 does not contain precious metals. This NSN is associated to Schedule B 9305913010: parts and accessories of military artillery weapons of 9301.11 or 9301.19. 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 Mar 01, 2017.