National Stock Number
4730-00-202-5978
National Stock Number (NSN) 4730-00-202-5978, or NIIN 002025978, (adapter,straight,flange to tube) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 002025978 was cancelled on December 18, 2018, 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 is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier 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) 29657. [AN ADAPTER HAVING A FLANGE CONNECTION ON ONE END DESIGNED TO CONNECT WITH ANOTHER FLANGE CONNECTION OR A COMPRESSION TYPE MOUNTING PAD. THE OTHER END HAS MACHINE THREADS (STRAIGHT THREADS OTHER THAN PIPE OR HOSE SERIES) DESIGNED TO ACCOMMODATE A TUBE OR IS UNTHREADED AND DESIGNED TO ACCOMMODATE A TUBE. IT IS DESIGNED TO JOIN A FLANGE OR FLANGE FITTING TO A TUBE OR TUBE FITTING IN A STRAIGHT LINE.]. 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 4730002025978 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.