National Stock Number
4730-00-277-1393
National Stock Number (NSN) 4730-00-277-1393, or NIIN 002771393, (ferrule,socket welded,tube fitting) was assigned August 8, 1973 in the Federal Logistics Information System (FLIS). NIIN 002771393 was cancelled on December 28, 2001, 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 4 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 3 suppliers. Today, 3 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.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 41294. [A FLANGED CYLINDRICAL METALLIC ITEM DESIGNED TO BE SLIPPED OVER TUBING AND WELDED IN PLACE. THE REAR FACE OF THE FLANGE FORMS A BEARING SURFACE FOR THE COUPLING NUT, AND THE FRONT FACE IS OF A CONTOUR DESIGNED TO SEAT AGAINST A MATING CONTOUR ON A FITTING. WHEN ASSEMBLED THE JOINT SEALS AT THE SEAT IN A MANNER SIMILAR TO A SEAT TYPE UNION.]. 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 4730002771393 does not contain precious metals.
This information was last updated on Aug 01, 2025.