National Stock Number
4730-01-018-5825
National Stock Number (NSN) 4730-01-018-5825, or NIIN 010185825, (restrictor,fluid flow) was assigned March 29, 1976 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. 2 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.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 18263. [AN ITEM OF SOLID ONE-PIECE CONSTRUCTION, DESIGNED TO RESTRICT THE FLOW OF A FLUID THROUGH IT. IT HAS AN ORIFICE OF A SMALLER SIZE THAN THE DIAMETER OF FLOW INTO IT. EXCLUDES:ITEMS SUCH AS VALVE (1), (AS MODIFIED); AND OTHERS WITH AN ADJUSTABLE ORIFICE. EXCLUDES:PIPE, TUBE, OR HOSE FITTINGS WITH RESTRICTED PASSAGES AND ITEMS DESIGNED TO TEST FLUID FLOW. FOR ITEMS CONTAINING SCREENS OR FILTERS, SEE RESTRICTOR UNIT, 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 4730010185825 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.