National Stock Number
9390-00-443-4703
National Stock Number (NSN) 9390-00-443-4703, or NIIN 004434703, (diatomaceous earth) was assigned April 4, 1969 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
There has been very little 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 Mar 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 16139. [EXCLUDES:SILICA, PULVERIZED; INSULATION THERMAL; DIATOMACEOUS SILICA PIGMENT, AND PULVERIZED SILICA PIGMENT.]. 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 9390004434703 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.