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 5950-01-465-9260
NSN 6645-00-987-3409
NSN 4140-01-357-4296
NSN 6110-01-571-7987
NSN 6130-00-826-8284
NSN 4140-01-442-5155
NSN 5835-01-337-8635
NSN 5920-01-445-6970
NSN 6685-01-401-5360
NSN 6130-01-214-4620
NSN 5915-01-253-0105
NSN 5895-00-172-8732