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 5855-00-165-3093
NSN 6685-01-020-8756
NSN 5920-01-210-2300
NSN 5950-01-586-3648
NSN 6135-00-840-6451
NSN 5905-00-165-3284
NSN 5935-01-267-9715
NSN 6240-01-026-9289
NSN 5930-00-386-9698
NSN 5855-01-498-0578
NSN 5985-00-042-3697
NSN 5925-00-058-6363