National Stock Number
4730-00-640-0541
National Stock Number (NSN) 4730-00-640-0541, or NIIN 006400541, (bushing,pipe) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 006400541 was cancelled on September 2, 2016, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 4730001930875. This NSN replaces 3 stock numbers: 4730001617646, 4730000517477, 4730007182307.
There are 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
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 Apr 01, 2020, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 03779. [A FITTING WITH PIPE THREADS HAVING A FEMALE CONNECTION INSIDE OF A MALE CONNECTION, USED IN CONJUNCTION WITH ANOTHER FITTING, TO CONNECT IN THE SAME LINE, TWO PIPES OF DIFFERENT SIZES.]. 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 4730006400541 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.