National Stock Number
1620-00-287-7638
National Stock Number (NSN) 1620-00-287-7638, or NIIN 002877638, (screw,by pass valve) was assigned August 31, 1973 in the Federal Logistics Information System (FLIS). NIIN 002877638 was cancelled on November 22, 2001, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. 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 assigned to Item Name Code (INC) 77777. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1620002877638 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.