National Stock Number
6850-01-538-3521
National Stock Number (NSN) 6850-01-538-3521, or NIIN 015383521, (inspection penetrant developer,n) was assigned March 20, 2006 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. One of those 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, only one supplier is deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Sep 24, 2018. There have been 10 contracts issued for this part number, with 13 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE4A618FE5CY, SPE4A618FE5CY, SPE4A618FD8GY, SPE4A618FD8GY, SPM4AR07D0015. The total value of the awarded contracts has been US$ 18,596.29.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 30, 2008, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) Acquisition of this part is controlled by QPL procedures. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 26926. [ABSORBENT POWDERED MATERIALS SUSPENDED IN A NONAQUEOUS LIQUID, USED TO PROVIDE A WHITE BACKGROUND FOR MAXIMUM COLOR CONTRAST, AND TO ENHANCE THE BLEED OUT OF THE PENETRANT FROM THE FLAW CAVITY TO OBTAIN INCREASED ACCURACY OF DYE PENETRANT INSPECTION.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. Information is in the Hazardous Materials Information Resource System (HMIRS). NSN 6850015383521 does not contain precious metals.
This information was last updated on Aug 01, 2025.