National Stock Number
4730-00-541-8983
National Stock Number (NSN) 4730-00-541-8983, or NIIN 005418983, (restrictor unit,fluid flow) was assigned January 1, 1963 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.
This NSN is unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Oct 25, 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) 20933. [AN ASSEMBLY CONSISTING OF AN ORIFICE IN A FIXED PLATE, DISK, OR TUBE WITH SCREENS OR FILTERS ON ONE OR BOTH SIDES, DEPENDING ON THE DIRECTION OF FILTERED FLOW. SEE RESTRICTOR, FLUID FLOW.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4730005418983 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.