National Stock Number
4730-00-360-4878
National Stock Number (NSN) 4730-00-360-4878, or NIIN 003604878, (sleeve,flared,tube fitting) was assigned February 18, 1974 in the Federal Logistics Information System (FLIS). NIIN 003604878 was cancelled on June 2, 2004, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 4730009288763. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is unique to one weapons system.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
This NSN is assigned to Item Name Code (INC) 18027. [A FLANGED CYLINDRICAL METALLIC ITEM DESIGNED TO BE USED ON TUBING TO BACK UP THE FLARED END AND TO PROVIDE A BEARING SURFACE FOR THE COUPLING NUT, THEREBY REDUCING WEAR ON THE TUBING FLARE. THE INSIDE DIAMETER OF THE FLANGED END IS COUNTERSUNK TO FORM A SEAT FOR THE FLARE WHEN ASSEMBLED TO A MATING FITTING.]. 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 4730003604878 does not contain precious metals.
This information was last updated on Aug 01, 2025.