National Stock Number
4730-00-018-4576
National Stock Number (NSN) 4730-00-018-4576, or NIIN 000184576, (reducer,pipe) was assigned April 25, 1967 in the Federal Logistics Information System (FLIS). NIIN 000184576 was cancelled on December 2, 2004, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN replaces 1 stock number, 4730006401006.
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) 08505. [A STRAIGHT PIPE FITTING HAVING A DIFFERENT SIZE CONNECTION ON EACH END. IT IS DESIGNED TO JOIN TWO PIPES OF DIFFERENT SIZES OR TWO PIPE FITTINGS 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 4730000184576 does not contain precious metals.
This information was last updated on Jul 01, 2025.