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 6105-00-425-2884
NSN 6105-01-227-1194
NSN 6105-01-446-6250
NSN 6620-00-371-7109
NSN 5925-01-627-2898
NSN 6650-00-751-9958
NSN 6610-01-118-7577
NSN 6135-00-789-2865
NSN 6685-00-157-3289
NSN 6150-01-323-4700
NSN 6135-01-321-4792
NSN 5930-00-210-3021