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 5855-00-010-6492
NSN 6105-01-396-5634
NSN 5925-01-394-4953
NSN 6135-00-268-8492
NSN 5925-01-330-1358
NSN 5905-01-186-7296
NSN 5910-01-341-9455
NSN 6645-01-217-8809
NSN 6150-01-452-0974
NSN 5835-01-317-4840
NSN 5999-00-816-7625
NSN 6105-01-576-5343