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 5975-01-623-7132
NSN 5999-00-120-0206
NSN 6240-01-176-4359
NSN 5945-00-114-0811
NSN 6610-01-222-0582
NSN 6620-01-048-4145
NSN 6110-00-107-8524
NSN 6685-00-430-5471
NSN 5990-01-434-7913
NSN 6105-01-541-4728
NSN 5930-01-504-9657
NSN 5895-00-932-1577