Tri-wing recess drive
No other part numbers with same form, fit, and function found.
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.
NSN 5990-01-416-1017
NSN 5935-01-143-3998
NSN 5920-00-569-6435
NSN 6130-01-557-9590
NSN 5975-00-225-5293
NSN 5895-00-629-1976
NSN 5910-00-170-7914
NSN 6105-01-029-5753
NSN 5998-00-884-0791
NSN 5965-01-101-9094
NSN 5998-00-196-1407
NSN 5835-00-660-4523