National Stock Number
6635-01-633-8964
National Stock Number (NSN) 6635-01-633-8964, or NIIN 016338964, (light,ultraviolet,metals examini) was assigned December 9, 2014 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. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 6 contracts issued for this part number, with 6 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE4A625PU217, SPE4A625PL026, SPE4A625PD060, SPE4A624PAV66, SPE4A624PX177. The total value of the awarded contracts has been US$ 11,036.61.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 16,444.
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 6635016338964 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.