контровочное кольцо

air labyrinth seal ring airscrew antidrag ring azimuth ring bearing oil jet ring blade ring blades retaining ring bow ring burner ring cargo tie-down ring compression ring engine backup ring gland ring locking ring mating ring oil control ring oil scraper ring piston ring piston ring clamp piston ring slot propeller slip ring retaining ring ring cowl ring frame ring splitter ring wrench rotorcraft rotating ring sealing ring shroud ring slip ring spacer ring split ring splitter ring stationary ring gear vane ring wheel spacer ring

locking n castor locking control-rod locking elevator locking mechanism ground locking pin landing gear locking pin locking arrangement locking device locking nut locking ring locking sleeve locking strut (капота) lock over center lock the landing gear down lock the landing gear up lock the legs rudder locking mechanism