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 6135-01-556-7318
NSN 6320-01-648-5538
NSN 6620-00-362-9460
NSN 5905-00-869-2012
NSN 5985-01-413-2641
NSN 5925-01-470-7346
NSN 6105-01-228-4479
NSN 6650-01-088-5199
NSN 5925-01-171-5693
NSN 5930-00-104-6148
NSN 6620-01-032-3937
NSN 5905-00-994-0545