National Stock Number
6540-01-645-0590
National Stock Number (NSN) 6540-01-645-0590, or NIIN 016450590, (test set,binocular vision) was assigned June 2, 2015 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) 22194. [A SET CONSISTING OF A FLASHLIGHT OR A GLASS PANELED CABINET HAVING BALL SHAPED AND/OR CHARACTER SHAPED OPENINGS THROUGH WHICH LIGHT IS EMITTED AND A PAIR OF SPECTACLES WITH GREEN AND RED COLORED LENSES. IT IS USED FOR TESTING THE EXTENT OF UTILIZATION OF BOTH EYES IN THE OBSERVATION OF DETAIL.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 6540016450590 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.