Internal drive ribbed
An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.
Classification: Other wrought titanium, nesoi
NSN 6105-00-079-0044
NSN 5835-00-470-4295
NSN 6610-01-236-2510
NSN 6610-01-383-7419
NSN 5915-00-186-6490
NSN 5915-01-435-2549
NSN 5990-01-442-3520
NSN 6240-01-303-6174
NSN 5999-01-393-9541
NSN 5999-00-970-5301
NSN 6110-01-548-7984
NSN 6650-01-526-6800