Serrated 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 6320-01-029-4220
NSN 6150-01-322-8524
NSN 5930-01-511-0514
NSN 5920-01-573-9782
NSN 5960-01-168-5010
NSN 6650-01-307-6009
NSN 5925-01-088-6863
NSN 7035-00-803-3056
NSN 5965-00-439-6287
NSN 5905-01-554-2402
NSN 6685-01-316-0748
NSN 5999-01-500-8249