National Stock Number
5307-00-178-0021
National Stock Number (NSN) 5307-00-178-0021, or NIIN 001780021, (stud,continuous thread) was assigned February 28, 1973 in the Federal Logistics Information System (FLIS). NIIN 001780021 was cancelled on April 29, 2010, 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) 15951. [A HEADLESS FASTENER NOT EXCEEDING 12 INCHES (304.8 MM) IN LENGTH HAVING AN EXTERNAL THREAD OF ONE NOMINAL DIAMETER RUNNING FROM END TO END. SEE ALSO ROD, CONTINUOUS THREAD.]. This item does not have a nuclear hardened feature but does have other critical feature(s) 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 5307001780021 does not contain precious metals.
This information was last updated on Aug 01, 2025.