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 5985-01-172-1022
NSN 5835-01-338-5176
NSN 5996-01-247-2986
NSN 6130-01-597-2489
NSN 5920-01-049-1275
NSN 6150-01-175-2534
NSN 5998-00-359-7814
NSN 6645-01-040-8337
NSN 6645-00-964-3020
NSN 2925-01-266-5229
NSN 5999-01-387-7006
NSN 6320-01-215-2284