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 5999-00-269-5320
NSN 5998-01-104-5462
NSN 5960-01-010-7392
NSN 4140-01-421-4045
NSN 5895-00-422-2483
NSN 5895-01-585-8166
NSN 5975-01-391-5981
NSN 6105-01-360-6793
NSN 5915-01-352-5871
NSN 5996-00-701-9550
NSN 5925-01-600-0447
NSN 5920-00-403-4899