National Stock Number
5620-00-514-3301
National Stock Number (NSN) 5620-00-514-3301, or NIIN 005143301, (concrete masonry unit,hollow) was assigned June 9, 1973 in the Federal Logistics Information System (FLIS). NIIN 005143301 was cancelled on December 15, 2017, 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 unique to one weapons system.
This NSN is assigned to Item Name Code (INC) 07621. [A PRECAST CONCRETE BLOCK, BASICALLY RECTANGULAR, WITH ONE OR MORE CELLS EXTENDING VERTICALLY THROUGH THE BLOCK. IT IS USED IN THE CONSTRUCTION OF MASONRY WALLS.]. 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 5620005143301 does not contain precious metals.
This information was last updated on Aug 01, 2025.