National Stock Number
6635-01-133-5474
National Stock Number (NSN) 6635-01-133-5474, or NIIN 011335474, (light,ultraviolet,metals examini) was assigned June 16, 1982 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers 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) 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.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 6635011335474 does not contain precious metals.
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 Aug 01, 2025.