National Stock Number
6660-01-457-6971
National Stock Number (NSN) 6660-01-457-6971, or NIIN 014576971, (theodolite,meteorological) was assigned July 31, 1998 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) 18487. [A TELESCOPIC INSTRUMENT USED IN DETERMINATION OF WIND DIRECTION AND SPEED BY OPTICAL TRACKING OF FREE MOVING BALLOONS. TWO TELESCOPES ARE GENERALLY PROVIDED, ONE FOR FINDING THE OBJECT AND THE OTHER FOR TRACKING. SIGHTING THROUGH THE SCOPES IS BY MEANS OF RIGHT ANGLE EYEPIECES. VERNIER SCALES ARE USED FOR FINE READING OF THE HORIZONTAL AND VERTICAL CIRCLES. SOME INSTRUMENTS ARE DESIGNED WITH AUXILIARY DEVICES FOR PLOTTING THE OBSERVED POSITIONS AT THE TIME OF OBSERVATIONS. ILLUMINATION MAY BE PROVIDED FOR OBSERVATIONS AT NIGHT. EXCLUDES:TRANSIT AND TRANSIT, POCKET.]. 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 6660014576971 does not contain precious metals.
This information was last updated on Jul 01, 2025.