National Stock Number
4720-00-640-5887
National Stock Number (NSN) 4720-00-640-5887, or NIIN 006405887, (hose assembly,metallic) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 5 stock numbers: 4720005911344, 4720008312398, 4720008352400, 4720008439983, 4130008207919.
There are 11 manufacturer part numbers associated with this NSN. 5 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 9 suppliers. Today, 6 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 4 suppliers are 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.
This NSN is fairly common among different weapons systems, belonging to 16 different platforms.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 13, 2008, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 17972. [A LENGTH OF METALLIC HOSE WITH FITTINGS ON ONE OR BOTH ENDS. FOR ITEMS WITHOUT FITTINGS, SEE HOSE, METALLIC. EXCLUDES CONDUIT, ELECTRICAL; CONDUIT ASSEMBLY, ELECTRICAL; CASING, FLEXIBLE CONTROL; AND CASING, FLEXIBLE SHAFT ASSEMBLY.]. 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 4720006405887 contains an unknown precious metal.
This NSN is associated to Schedule B 7411105000: tubes and pipes of refined copper exc seamless. The Schedule B End Use is listed as finished metal shapes.
This information was last updated on Aug 01, 2025.