National Stock Number
4730-00-804-1893
National Stock Number (NSN) 4730-00-804-1893, or NIIN 008041893, (reducer,tube) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). NIIN 008041893 was cancelled on July 2, 2003, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 4730011795408. This NSN replaces 2 stock numbers: 4730012161068, 4730006846471.
There are 3 manufacturer part numbers 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 unique to one weapons system.
This NSN is assigned to Item Name Code (INC) 08506. [A STRAIGHT TUBE FITTING HAVING A DIFFERENT SIZE CONNECTION ON EACH END. IT IS DESIGNED TO JOIN TWO TUBES OF DIFFERENT SIZES. EXCLUDES:BUSHING (AS MODIFIED).]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4730008041893 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.