DLMS™ Summary National Stock Number 1020-00-905-0086 National Stock Number (NSN) 1020-00-905-0086, or NIIN 009050086, (cylinder,recoil) was assigned June 15, 1966 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 1020012015849. 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 May 15, 2002, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. 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) 21651. [A CYLINDER WITH COMPONENT PARTS DESIGNED TO CUSHION THE BACKWARD MOTION OF A CANNON BY SPRINGS OR BY THE SLOW PASSAGE OF AIR OR FLUID THROUGH HOLES IN THE PISTON WHEN THE GUN IS FIRING.]. The item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1020009050086 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 Feb 01, 2017.