National Stock Number
6540-01-313-7778
National Stock Number (NSN) 6540-01-313-7778, or NIIN 013137778, (lens blank,ophthalmic,bifocal,semifinished) has an unknown assigned date. NIIN 013137778 was cancelled on November 2, 1990, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 6540005185035. 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) 30300. [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 ONE SURFACE ONLY.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 6540013137778 does not contain precious metals.
This information was last updated on Sep 01, 2024.