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 4140-01-612-3723
NSN 5990-01-578-5382
NSN 6135-01-494-3607
NSN 6130-01-139-4491
NSN 5975-01-423-1102
NSN 6150-01-503-2361
NSN 5999-01-260-1707
NSN 6610-01-143-7914
NSN 6130-01-339-9297
NSN 5999-01-334-4576
NSN 5975-00-236-0841
NSN 5985-01-616-1714