National Stock Number
4931-00-193-7922
National Stock Number (NSN) 4931-00-193-7922, or NIIN 001937922, (collimator,telescope) was assigned December 12, 1971 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 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Feb 02, 2005, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 60233. [A SMALL, TUBULAR ITEM UTILIZING AN EYEPIECE, CROSS HAIR RETICLE, AND AN OBJECTIVE LENS, TO ALIGN THE OPTICAL AXIS TO THE MECHANICAL AXIS OF A TELESCOPIC INSTRUMENT. IT DOES NOT HAVE THE VIEWING POWER OF A TELESCOPE. IT MAY HAVE TWO LIKE ITEMS SECURED IN A COMMON HOLDER FOR SIMULTANEOUS CHECKING OF A DUAL OPTICAL SYSTEM.]. 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 4931001937922 does not contain precious metals.
This information was last updated on Jul 01, 2025.