castle nut


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castle nut

n
(General Engineering) a hexagonal nut with six slots in the head, two of which take a locking pin to hold it firmly in position
References in periodicals archive ?
Also included are a locking pin, small roll pin, lock ring, castle nut, lock lever, a pistol grip mount with right and left index, and an adjustable buttstock with a telescoping tube.
A castle nut (also called a castellated nut or slotted nut) with cotter pin is used to secure the wheel hub to the vehicle.
AR15 based tools incorporated into the Z Hawk include the castle nut wrench, barrel nut wrench, flash hider wrench and A2 receiver extension wrench.
Other features include a slot for tactical sling attachment, one sling swivel stud and include a steel castle nut, steel locking ring and steel pistol grip bolt.
Remove the cotter pin from the end of the shaft that has the castle nut.
Remove the cotter pin in the slotted castle nut on the axle with needle-nose pliers.
After shutdown, he began his daily inspection and found a castle nut had not been installed on the bell crank for the collective flight control.
Series3 multitool for AR platform rifles, CNC billet pliers (D2 tool steel), non-slip G10 grips, 3/8" hex for LaRueTM mounts, 1/2" hex for scope rings, dual lug M4 castle nut spanner wrench/bottle opener + screwdriver, 3/32" pin punch with 8-32 male thread for Otis cleaning kit compatibility, radiused tip carbon scraper, 3" D2 tool steel knife blade and 1/4" magnetic bit driver with M16A2 FSP Adjuster.