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 6130-00-338-4441
NSN 5930-01-435-3735
NSN 5855-00-482-9876
NSN 6135-00-255-1340
NSN 6145-00-202-8570
NSN 5965-00-227-7348
NSN 5950-00-554-8357
NSN 5945-01-506-9548
NSN 5960-01-170-4057
NSN 6150-01-102-2446
NSN 6110-00-679-8961
NSN 5950-00-205-2932