National Stock Number (NSN) 4710-01-643-5893, or NIIN 016435893, (tube,metallic) was assigned April 7, 2015 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 2 suppliers. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is 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 a year. There have been 10 contracts issued for this part number, with 10 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7M422V3264, SPE7M421V2218, SPE7M421V2014, SPE7M421V1658, SPE7M421V1658. The total value of the awarded contracts has been US$ 5,944.18.
This NSN is somewhat common among different platforms, belonging to 2 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 Jan 05, 2016, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 31979. [A STRAIGHT, HOLLOW PRODUCT, WELDED OR SEAMLESS, OF ROUND, SQUARE, OR ANY OTHER CROSS SECTION AND CONTINUOUS PERIPHERY, WHICH DOES NOT CONFORM IN CROSS SECTIONAL DIMENSIONS TO RECOGNIZED PIPE STANDARDS. IT IS DESIGNED TO CONVEY FLUIDS, GASSES, AND/OR SEMISOLIDS. IT MAY BE ROLLED INTO COILS FOR EASE IN HANDLING. FOR ITEMS DESIGNED TO JOIN A TUBE OR TUBE FITTING TO ANOTHER TUBE, PIPE, OR HOSE OR FITTING, SEE ADAPTER (AS MODIFIED); COUPLIG (AS MODIFIED); OR NIPPLE (AS MODIFIED). EXCLUDES: TUBE,BENT (AS MODIFIED); PIPE,METALLIC; SPACER SLEEVE; METAL BAR (HOLLOW); AND ITEMS WITH FITTING, EXCEPT END PROTECTORS.]. 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 4710016435893 does not contain precious metals.
This information was last updated on Jul 01, 2025.