National Stock Number
4730-01-517-8688
National Stock Number (NSN) 4730-01-517-8688, or NIIN 015178688, (nut assembly,tube coupling) was assigned February 23, 2004 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 4 manufacturer part numbers 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, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Aug 07, 2019. There have been 2 contracts issued for this part number, with 2 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE7M319P4669, SPE7M319P1004. The total value of the awarded contracts has been US$ 69,267.52.
This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.
There has been very little 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 Oct 05, 2018, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) Acquisition of this part is controlled by QPL procedures. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 32836. [AN ITEM CONSISTING OF AN INTERNALLY THREADED NUT AND AN INTEGRAL FLOATING WASHER DESIGNED TO BE USED WITH A GASKET SEAL TO CONNECT BEADED OR SWAGED FERRULED THIN WALL TUBING TO A COUPLING BODY, BOSS CONNECTION, OR THE LIKE TO FORM A FLEXIBLE OR RIGID LEAKPROOF CONNECTION.]. 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 4730015178688 does not contain precious metals.
This information was last updated on Aug 01, 2025.