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 5855-01-528-7287
NSN 5930-01-003-6019
NSN 6685-00-753-7668
NSN 6645-00-440-5635
NSN 6130-00-951-2942
NSN 6685-00-111-1123
NSN 5945-00-918-2596
NSN 6610-01-008-7564
NSN 6135-01-548-1423
NSN 6650-01-481-1165
NSN 6105-00-519-2983
NSN 5999-00-170-3632