National Stock Number
6635-00-952-9954
National Stock Number (NSN) 6635-00-952-9954, or NIIN 009529954, (light,ultraviolet,metals examini) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
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 4 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are 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 6635009529954 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 Aug 01, 2025.