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 6150-01-649-6227
NSN 7035-00-763-6180
NSN 5998-01-077-2523
NSN 6320-00-228-5678
NSN 6150-01-033-5747
NSN 5910-01-142-6962
NSN 6145-00-116-5597
NSN 5950-00-246-5277
NSN 6320-01-567-9792
NSN 2925-01-442-7812
NSN 5950-01-488-1275
NSN 6145-00-125-7799