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 6130-01-100-1875
NSN 6685-01-209-6914
NSN 4140-01-564-9781
NSN 5915-01-361-8860
NSN 6110-00-525-3418
NSN 6685-00-098-1771
NSN 5855-01-411-3360
NSN 5950-00-529-0264
NSN 6105-01-026-0165
NSN 6145-01-104-5084
NSN 5950-00-055-3152
NSN 5945-00-332-0010