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 6620-01-426-2220
NSN 6620-01-171-9597
NSN 2925-00-860-3652
NSN 6105-00-138-2849
NSN 5905-01-171-6755
NSN 5835-00-001-5456
NSN 5965-01-548-5359
NSN 5990-01-411-8548
NSN 6645-00-960-6594
NSN 6650-01-363-4808
NSN 6610-00-704-9754
NSN 5915-01-123-7891