National Stock Number
4730-01-625-1904
National Stock Number (NSN) 4730-01-625-1904, or NIIN 016251904, (reducer,tube) was assigned January 28, 2014 in the Federal Logistics Information System (FLIS). NIIN 016251904 was cancelled on February 2, 2015, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 4730002351494. 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 29, 2020, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
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 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 4730016251904 does not contain precious metals.
This information was last updated on Apr 01, 2025.