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 6150-01-452-5874
NSN 5965-01-055-7645
NSN 6130-00-525-9975
NSN 6645-01-160-7707
NSN 5965-01-351-4615
NSN 6240-01-344-1105
NSN 6220-00-272-7497
NSN 5945-00-467-1355
NSN 6145-01-392-1146
NSN 5905-01-226-2569
NSN 5985-01-391-7122
NSN 6110-01-341-7871