National Stock Number
6675-00-139-3791
National Stock Number (NSN) 6675-00-139-3791, or NIIN 001393791, (theodolite,surveying) was assigned August 18, 1971 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, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
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 Oct 02, 1997, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 18488. [A PRECISION TELESCOPIC INSTRUMENT USED IN TOPOGRAPHIC AND GEODETIC SURVEYING OR PRECISE ALIGNMENT OPERATIONS. GENERALLY, THE OPTICAL SYSTEMS FOR READING THE HORIZONTAL AND VERTICAL CIRCLES ARE FULLY INCLOSED. THE READING OF THE CIRCLES IS MADE THROUGH OPTICAL MICROMETERS. SOME OPTICAL SYSTEMS ARE SO DESIGNED THAT READINGS OF DIAMETRICALLY OPPOSITE POINTS OF THE CIRCLES ARE MECHANICALLY AVERAGED. THE INSTRUMENTS ARE LEVELED BY THREE LEVELING SCREWS. INTERNAL ILLUMINATION MAY BE PROVIDED FOR READING THE CIRCLES AND VIEWING THE RETICLE CROSSLINES. 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 information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 6675001393791 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.