National Stock Number
6630-00-404-2500
National Stock Number (NSN) 6630-00-404-2500, or NIIN 004042500, (bulb,leveling,gas analysis appar) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 5 stock numbers: 3655003543416, 6640004901729, 6640008488188, 6630008933450, 6630003992960.
There are 10 manufacturer part numbers associated with this NSN. 5 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 5 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for 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) 16196. 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 6630004042500 does not contain precious metals.
This NSN is associated to Schedule B 9027908950: parts and accessories of instruments & apparatus for physical or chemical analysis, nesoi. The Schedule B End Use is listed as measuring, testing, control instruments. NAICS classification category 334516: analytical laboratory instrument manufacturing.
This information was last updated on Aug 01, 2025.