National Stock Number
4730-01-421-3881
National Stock Number (NSN) 4730-01-421-3881, or NIIN 014213881, (sleeve,clinch,tube fitting) was assigned November 7, 1995 in the Federal Logistics Information System (FLIS). NIIN 014213881 was cancelled on August 24, 2011, 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 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 one supplier. 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.
This part number has not been procured by the US Government in over 5 years.
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 4730014213881 does not contain precious metals.
This information was last updated on Aug 01, 2025.