An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.
NSN 2925-00-247-6248
NSN 5965-01-113-9061
NSN 6610-01-468-4745
NSN 5999-00-403-4237
NSN 6145-01-537-9706
NSN 6150-00-452-9078
NSN 5960-01-432-6038
NSN 6130-01-498-4254
NSN 5925-01-301-2920
NSN 5945-01-364-0593
NSN 6685-00-941-9333
NSN 6220-01-580-7006