Flange head
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. the threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. for items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.
NSN 6320-01-411-6610
NSN 6220-01-650-6302
NSN 5855-00-560-0110
NSN 2925-00-284-1534
NSN 6110-01-394-6324
NSN 5915-01-221-0363
NSN 5998-01-209-9131
NSN 6610-01-160-6585
NSN 5960-00-191-7448
NSN 5905-01-489-7053
NSN 6320-00-513-8376
NSN 5855-01-425-1330