National Stock Number
1305-01-155-5457
National Stock Number (NSN) 1305-01-155-5457, or NIIN 011555457, (cartridge,5.56 millimeter) was assigned June 10, 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 02, 1991, this NSN's acquisition method was noted as: Acquire only from the prime contractor although the engineering data identifies the Commercial and Government Entity Code (CAGE) and part number of a source other than the prime contractor. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 26214. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. Information is in the Hazardous Materials Information Resource System (HMIRS). NSN 1305011555457 does not contain precious metals.
This NSN is associated to Schedule B 9306304120: cartridges containing a projectile for rifle or pistols, nesoi. The Schedule B End Use is listed as tanks, artillery, missiles, rockets, guns and ammunition. NAICS classification category 332992: small arms ammunition manufacturing.
This information was last updated on May 01, 2025.