An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. the threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. the thread length being the controlled dimension, the grip length is not specified. a locking feature may be incorporated in the design of the head or threads. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. excludes bolt,machine; bolt,externally relieved body; 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 
U.s. Coast Guard 
Poland 
Spain 
Australia 
Belgium 
Germany 
Republic of Korea 
United Kingdom 
Greece 
Turkey Classification: Bolts and bolts and their nuts or washers exported in the same shipment
NSN 5990-00-719-4947
NSN 5975-01-116-8979
NSN 6240-00-838-0157
NSN 5945-00-377-0064
NSN 5915-00-597-2369
NSN 5905-01-168-8603
NSN 5965-01-007-9757
NSN 6105-01-409-2023
NSN 6320-00-270-8222
NSN 6685-01-469-3137
NSN 4140-00-012-3506
NSN 6320-00-149-7570