An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.
Dept. of the Army 
Dept. of the Air Force 
U.s. Marine Corps 
Dept. of the Navy 
Brazil 
Spain 
Singapore 
Australia 
France 
Germany 
Republic of Korea 
Italy 
Greece 
Turkey 
NATO Maintenance and Supply Agency Classification: Bolts and bolts and their nuts or washers exported in the same shipment
NSN 6240-01-359-2721
NSN 5965-00-801-1131
NSN 5950-01-298-5880
NSN 5905-00-170-4163
NSN 6110-00-211-1092
NSN 7035-01-040-6373
NSN 5925-00-981-9006
NSN 5945-01-300-2441
NSN 5910-01-518-5665
NSN 6150-01-625-3998
NSN 5965-01-291-0384
NSN 5975-00-529-3835