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 5975-01-326-7195
NSN 5960-01-536-9763
NSN 7035-01-504-2204
NSN 6320-01-415-0953
NSN 5910-00-500-0192
NSN 5915-00-994-6022
NSN 6610-00-125-7415
NSN 5998-00-880-2154
NSN 6645-00-752-2939
NSN 5945-01-065-9004
NSN 5960-00-175-7620
NSN 5915-00-811-1128