An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than no. 10 (0.190 in.) (5 mm) and those items with an inserted drive head, use screw, shoulder. For items which are no. 10 (0.190 in.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use bolt, externally relieved body. Excludes thumbscrew.
Dept. of the Navy 
Spain 
Australia 
Canada Classification: Bolts and bolts and their nuts or washers exported in the same shipment
NSN 5998-00-887-1882
NSN 5985-00-964-9673
NSN 5910-01-503-2600
NSN 4140-01-307-8836
NSN 6135-01-377-5729
NSN 5915-01-039-2541
NSN 5835-01-535-0948
NSN 6110-01-374-6640
NSN 5925-00-468-2757
NSN 5915-00-142-6912
NSN 6110-01-599-6835
NSN 2925-01-467-7672