National Stock Number
6635-01-295-6381
National Stock Number (NSN) 6635-01-295-6381, or NIIN 012956381, (light,ultraviolet,metals examini) was assigned March 9, 1989 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 6635013600689.
There are 3 manufacturer part numbers associated with this NSN. 2 of those 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) 21008. [AN ITEM SPECIFICALLY DESIGNED FOR USE IN DETERMINING THE EXISTENCE OF SEAMS, CRACKS AND OTHER TYPES OF FLAWS IN METALS. IT CONSISTS OF AN ULTRAVIOLET LIGHT SOURCE SUCH AS A MERCURY-VAPOR LAMP, IN A HOUSING USUALLY INCORPORTATING A PISTOL-GRIP HANDLE, AND A FILTER FOR THE EXCLUSION OF VISIBLE LIGHT. SEE ALSO DETECTOR, METAL FLAW, ELECTRONIC.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 6635012956381 contains an unknown precious metal.
This NSN is associated to Schedule B 8539490040: ultraviolet lamps. The Schedule B End Use is listed as electric apparatus. NAICS classification category 335110: electric lamp bulb and part manufacturing.
This information was last updated on Jul 01, 2025.