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 4140-01-384-5267
NSN 5960-01-089-8155
NSN 6145-01-063-6486
NSN 6620-01-094-6549
NSN 6610-00-207-4207
NSN 5996-01-237-1615
NSN 6110-00-759-7552
NSN 5925-01-269-7181
NSN 7035-01-004-8819
NSN 2925-01-263-9433
NSN 6240-00-233-3481
NSN 5998-01-627-3227