National Stock Number
1240-01-657-1390
National Stock Number (NSN) 1240-01-657-1390, or NIIN 016571390, (holder,optical element) was assigned August 1, 2016 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) 02878. [AN ITEM SPECIFICALLY DESIGNED TO HOLD AND/OR POSITION A MIRROR(S), PRISM(S), REFLECTOR(S), OR THE LIKE, IN AN OPTICAL SYSTEM. EXCLUDES:CELL,OPTICAL ELEMENT; HOLDER,MIRROR AND HOLDER,REFLECTOR.]. 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 1240016571390 does not contain precious metals.
This NSN is associated to Schedule B 9803200000: military equipments not identified by kind. The Schedule B End Use is listed as military apparel and footwear.
This information was last updated on Jun 01, 2025.