National Stock Number (NSN) 4710-01-550-5653, or NIIN 015505653, (tube and fittings,metallic) was assigned April 24, 2007 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. 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, with the most recent procurement date of Feb 28, 2012. There have been 22 contracts issued for this part number, with 21 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPM7M412C0009, SPM7M412C0009, SPM7M412C0009, SPM7M411V5315, SPM7M411V5315. The total value of the awarded contracts has been US$ 799,508.42.
This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.
There has been a small amount of 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 Dec 12, 2008, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. 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) 36987. [AN ITEM CONSISTING OF METAL TUBE, STRAIGHT OR PREBENT, WITH PERMANENTLY ATTACHED FITTINGS (BRAZED OR WELDED) ON ONE OR BOTH ENDS. IT IS PRIMARILY DESIGNED TO CONVEY FLUIDS, GASES, AND/OR SEMISOLIDS. FOR ITEMS WITH DETACHABLE END FITTINGS, SEE TUBE ASSEMBLY, METAL.]. 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 4710015505653 does not contain precious metals.
This information was last updated on Jul 01, 2025.