National Stock Number
5855-01-373-7538
National Stock Number (NSN) 5855-01-373-7538, or NIIN 013737538, (cell,optical element) was assigned April 10, 1993 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) 21859. [A CYLINDRICAL ITEM SPECIFICALLY DESIGNED TO HOLD A LENS, RETICLE, OR WINDOW IN AN OPTICAL SYSTEM. INCLUDES ECCENTRIC CELLS AND/OR RINGS DESIGNED TO BE ROTATED WITHIN THE INSTRUMENT TO SHIFT AN OPTICAL ELEMENT TO A PRESCRIBED POSITION.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5855013737538 contains an unknown precious metal.
This NSN is associated to Schedule B 9014900000: parts & accessories for direction finding compasses and other navigational instruments and appliances. The Schedule B End Use is listed as marine engines, parts. NAICS classification category 334511: search, detection, navigation, guidance, aeronautical, and nautical system and instrument manufacturing.
This information was last updated on Jul 01, 2025.