National Stock Number
4730-01-237-7000
National Stock Number (NSN) 4730-01-237-7000, or NIIN 012377000, (plug,tube repair,expanding) was assigned August 5, 1986 in the Federal Logistics Information System (FLIS). NIIN 012377000 was cancelled on September 20, 2002, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are 2 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 one supplier. Today, one supplier is 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.
This part number has not been procured by the US Government in over 5 years.
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 critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4730012377000 does not contain precious metals.
This information was last updated on Jul 01, 2025.