National Stock Number
4730-00-923-1944
National Stock Number (NSN) 4730-00-923-1944, or NIIN 009231944, (reducer,boss) was assigned January 14, 1966 in the Federal Logistics Information System (FLIS). NIIN 009231944 was cancelled on September 2, 2011, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4730015428872. 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 unique to one weapons system.
This NSN is assigned to Item Name Code (INC) 23541. [A STRAIGHT FITTING HAVING A BOSS CONNECTION OF A DIFFERENT SIZE AT EACH END. BOTH CONNECTIONS HAVE EXTERNAL OR INTERNAL MACHINE THREADS (STRAIGHT THREADS OTHER THAN PIPE OR HOSE SERIES) AND ARE DESIGNED TO FACILITATE A GASKET, PREFORMED PACKING, WASHER, OR THE LIKE TO FORM A SEAL AT THE BOSS. EXCLUDES:BUSHING (AS MODIFIED).]. 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 4730009231944 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.