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.
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National Aeronautics and Space Administration 
Austria 
Finland 
Lithuania 
Poland 
Bulgaria 
Brazil 
Spain 
Columbia 
Israel 
Singapore 
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Morocco 
Saudi Arabia 
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Australia 
Belgium 
Canada 
New Zealand 
France 
Germany 
Republic of Korea 
United Kingdom 
Netherlands 
Portugal 
Italy 
Denmark 
Norway 
Greece 
Turkey 
NATO Maintenance and Supply Agency Classification: Bolts and bolts and their nuts or washers exported in the same shipment
NSN 6645-01-032-5337
NSN 6320-00-194-4252
NSN 6645-01-099-4322
NSN 5935-01-463-6759
NSN 5925-00-437-2854
NSN 5996-01-364-1074
NSN 5999-01-218-2720
NSN 6110-01-411-6660
NSN 6610-01-187-1748
NSN 5915-00-963-6049
NSN 5910-00-552-5015
NSN 6320-00-070-4544