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 6610-00-058-0900
NSN 6610-00-935-7131
NSN 5905-01-049-8407
NSN 5990-00-200-5232
NSN 5950-01-031-0253
NSN 5950-01-177-2339
NSN 6320-00-483-0451
NSN 5965-01-341-1480
NSN 6685-00-863-5823
NSN 6145-01-474-1252
NSN 5999-01-294-0132
NSN 5905-01-403-2806