National Stock Number
1270-00-556-2159
National Stock Number (NSN) 1270-00-556-2159, or NIIN 005562159, (sight,lead computing,automatic) was assigned November 4, 1974 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. 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.
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 Jul 22, 1998, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 61057. [AN INSTRUMENT DESIGNED TO DIRECT THE FIRE OF AUTOMATIC WEAPONS AGAINST RAPIDLY MOVING TARGETS BY COMPUTING, AUTOMATICALLY AND CONTINUOUSLY, THE OFFSET OF THE GUN BORE AXIS FROM THE LINE OF SIGHT IN SUCH A MANNER THAT THE GUN IS CONSTANTLY POINTED AT THE ADVANCE POSITION OF THE TARGET WHILE THE LINE OF SIGHT IS MAINTAINED ON THE TARGET.]. 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 1270005562159 does not contain precious metals.
This NSN is associated to Schedule B 9803200000: military equipments not identified by kind. The Schedule B End Use is listed as military apparel and footwear.
This information was last updated on Aug 01, 2025.