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 5990-01-131-2008
NSN 6110-00-397-7531
NSN 5990-01-248-0108
NSN 6685-00-052-4924
NSN 6620-01-423-7300
NSN 5965-00-177-2932
NSN 5985-01-195-9902
NSN 5945-00-131-0893
NSN 7035-00-205-1932
NSN 5996-00-760-2726
NSN 2925-01-345-5463
NSN 6645-00-242-0480