National Stock Number
6635-00-334-7420
National Stock Number (NSN) 6635-00-334-7420, or NIIN 003347420, (fluorescent penetrant inspection) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 6635009166958.
There are no manufacturer part numbers associated to 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) 19007. [A DEVICE DESIGNED FOR THE INSPECTION, BY THE WET AND DRY METHOD, TO DETECT SURFACE AND NEAR SURFACE FLAWS IN MAGNETIC AND NONMAGNETIC METALS, CERAMICS, GLASS, PLASTICS AND OTHER SOLID MATERIALS.]. 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 6635003347420 does not contain precious metals.
This NSN is associated to Schedule B 9027803500: physical analysis instruments and apparatus, except using optical radiations, nesoi. The Schedule B End Use is listed as laboratory testing instruments. NAICS classification category 334516: analytical laboratory instrument manufacturing.
This information was last updated on Jul 01, 2025.