National Stock Number
4730-01-179-6173
National Stock Number (NSN) 4730-01-179-6173, or NIIN 011796173, (sleeve,clinch,tube fitting) was assigned May 19, 1984 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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 2 suppliers. 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 somewhat common among different platforms, belonging to 2 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 20, 2008, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.
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 4730011796173 does not contain precious metals.
This information was last updated on Jul 01, 2025.