National Stock Number
4730-00-462-7781
National Stock Number (NSN) 4730-00-462-7781, or NIIN 004627781, (sleeve,clinch,tube fitting) was assigned May 14, 1969 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 3120012021796, 4730008340665.
There are 12 manufacturer part numbers associated with this NSN. 5 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 7 suppliers. Today, 4 suppliers are listed as Active suppliers 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 Aug 09, 2012. 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: SPM7M412M4563, SPM7M412M4563, SPM7M311V4059, SPM7M311V4059. The total value of the awarded contracts has been US$ 574.66.
This NSN is very common among different weapons systems, belonging to 41 different platforms.
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 Nov 02, 2005, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 18025. [A FLANGED CYLINDRICAL ITEM HAVING A SHARP CUTTING SURFACE ON THE INSIDE DIAMETER AT THE END OPPOSITE THE FLANGE. THE CUTTING EDGE, IN USE, IS DESIGNED TO IMBED IN THE TUBING DUE TO PRESSURE EXERTED WHEN THE OUTSIDE DIAMETER OF THE SLEEVE IS FORCED INTO AND AGAINST AN ANGULAR SEAT. THIS FIRMLY ATTACHES THE SLEEVE TO THE TUBING AND THE FLANGED END THEN SERVES AS A BEARING SURFACE FOR THE COUPLING NUT TO BRING THE TUBING INTO THE MATING FITTING.]. 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 4730004627781 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.