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 6145-01-365-6527
NSN 6105-01-516-9936
NSN 5975-00-553-7151
NSN 6110-01-463-9010
NSN 5996-01-058-8227
NSN 6650-00-597-7313
NSN 6145-01-634-0388
NSN 6240-00-935-7058
NSN 6650-01-455-8923
NSN 5905-01-089-7897
NSN 6610-01-322-4331
NSN 5915-01-086-8474