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 6650-01-258-5871
NSN 5975-01-608-5186
NSN 5950-01-521-1127
NSN 6645-00-010-3054
NSN 6650-01-190-2304
NSN 4140-00-577-3512
NSN 6685-01-438-8079
NSN 5985-01-390-4989
NSN 5960-00-190-5817
NSN 5855-01-340-6541
NSN 7035-01-361-8821
NSN 2925-00-580-4931