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 2925-01-439-4451
NSN 5996-01-480-8956
NSN 5975-01-188-7901
NSN 4140-00-580-8508
NSN 6610-01-458-3119
NSN 6650-01-480-7754
NSN 5895-01-124-2604
NSN 5935-01-322-8428
NSN 5915-01-391-4664
NSN 6685-00-300-8858
NSN 6610-01-608-7659
NSN 5950-01-271-2198