National Stock Number
6635-01-731-0542
National Stock Number (NSN) 6635-01-731-0542, or NIIN 017310542, (fluorescent penetrant inspection) was assigned June 23, 2025 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) 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 6635017310542 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 Aug 01, 2025.