National Stock Number
4931-00-026-5150
National Stock Number (NSN) 4931-00-026-5150, or NIIN 000265150, (collimator,telescope) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4931000264872.
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 14, 2002, 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) 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.]. 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 4931000265150 does not contain precious metals.
This information was last updated on Jul 01, 2025.