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 5965-01-106-1431
NSN 6145-00-174-9344
NSN 6620-00-494-9645
NSN 5996-01-465-2305
NSN 5930-01-381-1059
NSN 6105-01-487-5072
NSN 5910-00-729-9315
NSN 6220-01-143-5761
NSN 5965-01-059-4028
NSN 5985-01-297-5780
NSN 6240-01-348-8975
NSN 6150-00-786-4075