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 5960-01-163-8905
NSN 6135-01-631-0269
NSN 5905-01-093-0979
NSN 5835-00-196-9771
NSN 5835-00-761-5615
NSN 6110-00-402-7637
NSN 5990-00-419-7584
NSN 6105-01-141-6912
NSN 5905-01-403-2806
NSN 6150-01-399-3673
NSN 5990-00-578-3215
NSN 5910-00-460-1795