Special Features:

Nut face intersection points are bevelled at 19.0 deg. Min.-21.0 deg. Max. On both sides; nut has three equally spaced holes 0.109 in. Min.-0.150 in. Max. From either side measuring 0.047 in. Min.-0.077 in. Max. In diameter

Properties:

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)