National Stock Number
4730-00-488-9166
National Stock Number (NSN) 4730-00-488-9166, or NIIN 004889166, (inverted nut,tube coupling) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 004889166 was cancelled on April 30, 2010, 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 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) 03857. [AN EXTERNALLY THREADED FASTENING DEVICE WHICH HAS AN INTERNAL OR EXTERNAL SEAT, DESIGNED TO MATE WITH THE SEAT OF AN INTERNALLY THREADED TUBE FITTING FOR THE PURPOSE OF SECURING THE TUBE TO THE FITTING TO FORM A LEAKPROOF CONNECTION.]. 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 4730004889166 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.