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 6650-00-968-5700
NSN 5996-01-372-3710
NSN 6610-01-406-4985
NSN 5925-00-710-6642
NSN 5855-00-401-3442
NSN 5999-00-060-8644
NSN 6135-01-491-9360
NSN 5985-01-036-4243
NSN 5996-01-432-2779
NSN 5965-00-420-9203
NSN 6220-01-290-0137
NSN 7035-01-578-2067