National Stock Number
6850-01-686-6537
National Stock Number (NSN) 6850-01-686-6537, or NIIN 016866537, (inspection penetrant developer,d) was assigned February 27, 2020 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) 26929. [A LIGHT, FLUFFY, DRY, ABSORBENT POWDER APPLIED TO THE PART BEING PENETRANT INSPECTED, AFTER THE EXCESS SURFACE PENETRANT HAS BEEN REMOVED AND THE PART HAS BEEN DRIED. THE "DRY" DEVELOPER ADHERES PRIMARILY TO THE FLAW OPENINGS WETTED BY THE PENETRANT LIQUID TO OBTAIN INCREASED BLEED OUT OF THE PENETRANT AND PROVIDE SHARP FLAW DELINEATIONS. EXCLUDES:MAGNETIC INSPECTION COMPOUND.]. 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 6850016866537 does not contain precious metals.
This information was last updated on Aug 01, 2025.