National Stock Number
4931-00-157-0958
National Stock Number (NSN) 4931-00-157-0958, or NIIN 001570958, (collimator set,alignment) was assigned March 25, 1970 in the Federal Logistics Information System (FLIS). NIIN 001570958 was cancelled on August 24, 2011, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. 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.
This NSN is assigned to Item Name Code (INC) 62349. [A FIXED NUMBER OF COMPONENTS AND/OR ITEMS, NOT ALL HAVING THE SAME BASIC NAME, WHICH ARE SPECIFICALLY DESIGNED FOR CHECKING THE ALIGNMENT OF A BORESIGHT-TYPE FIXTURE.]. 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 4931001570958 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.