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 6685-00-588-9177
NSN 6220-00-539-8769
NSN 4140-01-017-2648
NSN 5996-00-163-9551
NSN 5985-01-020-6356
NSN 5935-01-188-8545
NSN 5999-00-759-1013
NSN 6240-01-444-1673
NSN 6135-01-344-2442
NSN 6320-00-731-6134
NSN 6220-01-236-5333
NSN 6105-01-507-5260