National Stock Number
5855-01-530-3172
National Stock Number (NSN) 5855-01-530-3172, or NIIN 015303172, (cell assembly,optical instrument) was assigned May 20, 2005 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are 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) 22197. [AN ITEM CONSISTING OF A CELL, OPTICAL ELEMENT IN WHICH IS SECURED ONE OR MORE OPTICAL ELEMENTS, SUCH AS LENSES, RETICLES, FILTERS, WINDOWS, AND THE LIKE. MAY INCLUDE RETAINING RINGS, SPACERS, AND/OR SEPARATORS. FOR ITEMS WITH FOCUSING FACILITIES AND/OR A DIOPTER SCALE, SEE EYEPIECE ASSEMBLY, OPTICAL 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 5855015303172 does not contain precious metals.
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 Aug 01, 2025.