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 2925-00-964-7128
NSN 5915-01-477-3611
NSN 6130-01-614-7877
NSN 5835-01-062-2235
NSN 6685-00-409-4970
NSN 2925-01-460-1601
NSN 6610-01-381-0652
NSN 5990-00-812-5037
NSN 5920-01-549-7961
NSN 5985-01-601-8917
NSN 5945-00-496-9764
NSN 6685-00-776-4622