National Stock Number
4730-01-056-5485
National Stock Number (NSN) 4730-01-056-5485, or NIIN 010565485, (locknut,tube fitting) was assigned February 25, 1978 in the Federal Logistics Information System (FLIS). NIIN 010565485 was cancelled on June 2, 1996, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4730013822729. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 17645. [AN ITEM WITH INTERNAL MACHINE THREADS DESIGNED TO FIT THE EXTERNAL MACHINE THREADS OF A TUBE FITTING. IT HAS FLAT FACES, ONE OF WHICH HAS A COUNTERBORED RECESS TO ACCOMMODATE PACKING, PACKING OR SEALING RING(S), GASKET(S), AND THE LIKE. THE ITEM, WHEN INSTALLED, PROVIDES A METHOD OF LOCKING AND SEALING THE CONNECTION. SEE ALSO LOCKNUT, PIPE; NUT (1), TUBE COUPLING AND NUT (1), PLAIN, HEXAGON.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4730010565485 does not contain precious metals.
This information was last updated on Aug 01, 2025.