National Stock Number
6650-01-643-0381
National Stock Number (NSN) 6650-01-643-0381, or NIIN 016430381, (spotting instrument,optical) was assigned March 18, 2015 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier 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 assigned to Item Name Code (INC) 22604. [AN ITEM USED FOR SPOTTING ENEMY FIRE, DETECTING AZIMUTH AND DEFLECTION ERRORS IN BURSTS OF FIRE FOR FLASH RANGING, TERRESTRIAL AND CELESTIAL OBSERVATION, AND FOR ACCURATE MEASUREMENT OF HORIZONTAL AND VERTICAL ANGLES BY THE USE OF RETICLES. IT MAY HAVE A SINGLE OR DUAL OPTICAL SYSTEM(S), UTILIZING A STRAIGHT OR OFFSET (RAISED) LINE OF SIGHT. IT IS SUPPORTED BY A TRIBRACH HAVING A LEVELING PLATE WITH ADJUSTING SCREWS, CIRCULAR AND/OR TUBULAR LEVEL VIALS, AZIMUTH AND ELEVATION CONTROLS, AND THE LIKE. IT MAY BE MOUNTED IN A TRIPOD OR GROUNDSHELF MOUNT, AND USUALLY INCLUDES ACCOMMODATIONS FOR A LIGHT, INSTRUMENT.]. 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 6650016430381 does not contain precious metals.
This NSN is associated to Schedule B 9005804040: optical telescopes except for use with infrared light. The Schedule B End Use is listed as medicinal equipment. NAICS classification category 333314: optical instrument and lens manufacturing.
This information was last updated on Jul 01, 2025.