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 6650-01-150-5457
NSN 6130-01-225-4101
NSN 4140-00-279-3148
NSN 6645-00-285-8781
NSN 5925-00-686-3364
NSN 6220-01-415-5698
NSN 5855-00-688-9954
NSN 5996-00-205-2933
NSN 6110-01-102-1425
NSN 6320-01-195-5583
NSN 5920-00-271-3217
NSN 6685-00-449-0844