National Stock Number
6850-01-437-4172
National Stock Number (NSN) 6850-01-437-4172, or NIIN 014374172, (inspection penetrant) was assigned October 11, 1996 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. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 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.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 22013. [AN OIL OR ESTER BASE LIQUID USED WITH A DEVELOPER TO DETECT SURFACE FLAWS IN METALS, CERAMICS, GLASS, AND SOME PLASTICS. PENETRANTS WILL REVEAL ONLY DEFECTS WHICH ARE OPEN TO THE SURFACE AND WHICH ARE OF SUFFICIENT MAGNITUDE TO PERMIT ENTRANCE OF THE PENETRANT BY CAPILLARY ACTION. THE PENETRANT REMAINS IN THE OPENING UNTIL IT IS WITHDRAWN BY THE GREATER CAPILLARY ACTION OF THE DEVELOPER.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table I of Federal Standard 313 and an MSDS should be available to the user. NSN 6850014374172 does not contain precious metals.
This information was last updated on Jul 01, 2025.