National Item Identification Number
National Stock Number
Federal Supply Class
A metallic headed fastener having internal threads for a portion of the full length. It may have a smooth, hexagon or splined shank with an open or closed end. It is designed to be expanded tightly against the material it is being installed in by means of a special tool. The item must have a specified grip range. The grip range is the thickness of the material the item is being installed in. An integral feature is incorporated for locking on the threads of a mating member.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
NOMINAL THREAD SIZE
THREAD QUANTITY PER INCH