National Stock Number
4730-01-278-4091
National Stock Number (NSN) 4730-01-278-4091, or NIIN 012784091, (plug,tube repair,expanding) was assigned May 5, 1988 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over a year. There have been 2 contracts issued for this part number, with 2 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7M321V4043, SPE7M321V3748. The total value of the awarded contracts has been US$ 1,780.60.
This NSN is somewhat common among different platforms, belonging to 2 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 Apr 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) 22258. [A SLEEVE SHAPED ITEM HAVING A HOLE THROUGH ITS CENTER AND EQUIPPED WITH A MACHINE SCREW, WASHER, AND NUT. DESIGNED TO BE PLACED IN THE END OF A TUBE, SEALING THE TUBE BY TURNING THE SCREW CAUSING THE SLEEVE TO EXPAND AGAINST THE WALLS OF THE TUBE AND IN TURN EXPANDING THE TUBE. FOR TAPERED TUBE REPAIR PLUGS, SEE PLUG, TUBE REPAIR. SEE ALSO CAP-PLUG, RADIATOR TESTING AND PLUG, RADIATOR TEST.]. 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 4730012784091 does not contain precious metals.
This information was last updated on Aug 01, 2025.