National Stock Number
6540-00-180-6407
National Stock Number (NSN) 6540-00-180-6407, or NIIN 001806407, (lens blank,ophthalmic,bifocal,finished) was assigned March 9, 1970 in the Federal Logistics Information System (FLIS). NIIN 001806407 was cancelled on February 2, 1996, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 30670. [INC 30670 CANCELLED ON 052611~A TRANSPARENT OPTICAL ELEMENT CONSISTING OF A MAJOR BLANK AND A BIFOCAL SEGMENT. THE BLANK AND SEGMENT HAVE BEEN PRESSED IN A GLASS MOLD TO AN APPROXIMATE SIZE AND SHAPE, AND ARE GROUND AND POLISHED TO A FINISHED DIOPTER CURVATURE ON BOTH SURFACES.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 6540001806407 does not contain precious metals.
This information was last updated on Nov 01, 2024.