National Stock Number
4730-01-053-9464
National Stock Number (NSN) 4730-01-053-9464, or NIIN 010539464, (sleeve,flared,tube fitting) was assigned January 13, 1978 in the Federal Logistics Information System (FLIS). NIIN 010539464 was cancelled on August 2, 2007, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4730005953225. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers 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) 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 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 4730010539464 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.