National Stock Number
6650-00-919-5521
National Stock Number (NSN) 6650-00-919-5521, or NIIN 009195521, (prism,optical instrument) was assigned January 1, 1960 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. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. 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) 21879. [A TRANSPARENT ITEM WITH AT LEAST TWO POLISHED PLANE SURFACES INCLINED TOWARD EACH OTHER, DESIGNED FOR USE IN OPTICAL INSTRUMENTS TO REFLECT AND/OR REFRACT A BEAM OF LIGHT. IT MAY HAVE ONE OR MORE MIRRORED SURFACES FOR GREATER REFLECTION. INCLUDES OPTICAL WEDGES USED TO DIVERT PATHS OF LIGHT BY REFRACTION, BUT TO A LESSER DEGREE. SEE ALSO BEAM SPLITTER, OPTICAL INSTRUMENT.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 6650009195521 contains an unknown precious metal.
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.