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 6110-01-526-3516
NSN 6240-01-580-1345
NSN 6145-01-423-0382
NSN 5999-01-514-0083
NSN 6220-01-187-7119
NSN 6685-01-419-0909
NSN 5905-01-606-0531
NSN 5998-00-934-9941
NSN 5945-01-362-9696
NSN 5965-01-646-1122
NSN 6135-01-100-3593
NSN 6645-00-343-9919