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 5895-01-072-9374
NSN 5965-00-826-1841
NSN 6150-00-615-5886
NSN 5999-00-793-0259
NSN 6150-01-418-6342
NSN 5999-01-059-4454
NSN 5975-01-245-7781
NSN 5920-01-150-6870
NSN 5930-01-115-6631
NSN 6130-01-512-5033
NSN 6620-00-990-3385
NSN 5985-01-221-6764