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 6685-01-050-8391
NSN 6145-01-492-9348
NSN 5935-01-222-5627
NSN 5895-00-943-3552
NSN 6645-00-204-4100
NSN 2925-01-244-3016
NSN 5950-00-580-2925
NSN 5935-01-290-3742
NSN 5855-00-004-0904
NSN 5835-01-218-9340
NSN 7035-00-981-7216
NSN 6130-00-453-4821