National Stock Number
4933-01-666-5456
National Stock Number (NSN) 4933-01-666-5456, or NIIN 016665456, (sight,bore,muzzle) was assigned September 12, 2017 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 a year. There have been 5 contracts issued for this part number, with 5 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE4A723P9852, SPE4A723P3735, SPE4A721V4097, SPE4A721V3987, SPE4A621PP137. The total value of the awarded contracts has been US$ 8,972.48.
This NSN is unique to one weapons system.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 13, 2017, this NSN's acquisition method was noted as: Suitable for competitive acquisition for the first time. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 21653. [A SIGHTING DEVICE CONSISTING OF (1) A STRING AND A WEB BELT WHICH IS ATTACHED TO THE OUTSIDE OF THE MUZZLE END OF THE TUBE, OR (2) A DISK, WITH A CENTRAL PEEPHOLE, WHICH IS INSERTED IN THE BORE, OR (3) A SHORT PIECE OF TUBING, WITH CROSS LINES, WHICH IS INSERTED IN THE BORE OF A CANNON.]. 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 4933016665456 does not contain precious metals.
This information was last updated on Aug 01, 2025.