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 6645-00-515-6148
NSN 5985-00-067-3324
NSN 6645-01-369-4371
NSN 6220-01-197-6976
NSN 5996-01-149-8835
NSN 5915-01-359-7571
NSN 5835-01-414-3258
NSN 5835-01-077-6278
NSN 5910-01-553-4137
NSN 6105-01-535-4080
NSN 5855-01-498-9056
NSN 5855-00-902-3069