National Stock Number
6650-01-581-6858
National Stock Number (NSN) 6650-01-581-6858, or NIIN 015816858, (headrest,optical instrument) was assigned January 25, 2010 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) 22110. [AN ITEM FABRICATED FROM A CELLULAR RUBBER PAD, CEMENTED TO A RIGID OR SEMIRIGID BACKPLATE. IT IS USUALLY SHAPED TO FIT THE CURVATURE OF THE FOREHEAD OR A SINGLE BROW OF THE OBSERVER. IT IS DESIGNED TO BE MOUNTED ON SIGHTING DEVICES, SUCH AS PERISCOPES, TELESCOPE MOUNTS, RANGE FINDERS, AND THELIKE, TO PROTECT THE OBSERVER FROM VIBRATION AND/OR SHOCK WHILE SIGHTING.]. 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 6650015816858 does not contain precious metals.
This NSN is associated to Schedule B 9018500000: other ophthalmic instruments and appliances and parts and accessories. The Schedule B End Use is listed as medicinal equipment. NAICS classification category 339112: surgical and medical instrument manufacturing.
This information was last updated on Aug 01, 2025.