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 5975-01-423-8128
NSN 5950-01-399-5421
NSN 5935-00-950-8531
NSN 5915-01-494-8289
NSN 6645-01-275-1372
NSN 5925-01-253-6216
NSN 6685-01-629-2436
NSN 5975-00-478-2126
NSN 5910-00-111-7242
NSN 5965-01-506-5558
NSN 6135-01-046-6803
NSN 6645-01-435-8356