National Stock Number
6850-01-316-9431
National Stock Number (NSN) 6850-01-316-9431, or NIIN 013169431, (inspection penetrant developer,w) was assigned March 17, 1990 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, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 22, 1998, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 26930. [A MATERIAL SUPPLIED IN WET OR DRY FORM TO BE APPLIED TO THE PART BEING PENETRANT INSPECTED, AFTER THE EXCESS SURFACE PENETRANT HAS BEEN REMOVED. THE "WET" DEVELOPER, ON DRYING, PROVIDES AN ABSORBENT WHITE BACKGROUND TO THE PART FOR MAXIMUM COLOR CONTRAST, AND ENHANCES THE BLEED OUT OF THE PENETRANT FROM THE CAVITY TO OBTAIN INCREASED INSPECTION ACCURACY.]. This item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restriction or application. Information is in the Hazardous Materials Information Resource System (HMIRS). NSN 6850013169431 does not contain precious metals.
This NSN is associated to Schedule B 3403990000: lubricating preparations,not containing petroleum oils or oils obtained from bituminous minerals, other. The Schedule B End Use is listed as chemicals-other. NAICS classification category 325613: surface active agent manufacturing.
This information was last updated on Jul 01, 2025.