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 5965-00-170-5254
NSN 5960-00-083-2793
NSN 6620-00-526-8996
NSN 5895-01-188-7470
NSN 5945-01-290-6977
NSN 5999-00-449-0753
NSN 5999-00-660-8480
NSN 5910-01-401-5279
NSN 6320-01-103-6218
NSN 6650-00-244-5648
NSN 4140-00-962-6799
NSN 5945-00-771-6951