National Stock Number
6635-01-466-7645
National Stock Number (NSN) 6635-01-466-7645, or NIIN 014667645, (x-ray tube) was assigned July 30, 1999 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number 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) 51547. [A VACUUM TUBE CONTAINING ELECTRODES THAT ACCELERATE ELECTRONS AND DIRECTS THEM TO A METAL ANODE, WHERE THEIR IMPACT PRODUCES X-RAYS.]. 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 6635014667645 does not contain precious metals.
This NSN is associated to Schedule B 9022300000: x-ray tubes. The Schedule B End Use is listed as medicinal equipment. NAICS classification category 334517: irradiation apparatus manufacturing.
This information was last updated on Jul 01, 2025.