barrel lock lever

wheel lock pistol (wheellock / wheel-lock)

infrared lock (IR Lock)

traveling lock block lever

belt feed lever pivot spring / belt-feed lever pivot spring

firing-lever spindle actuating lever

flap slat CTL lever / flap and slat control lever

barrel assembly (barrel group)

automatic heavy barrel rifle / heavy barrel automatic rifle

hydraulic lock

lock and load

lock washer

lock-on (by an interceptor)

percussion lock

tail-wheel lock

Saline Lock

combat lock

sling lock

Venturi lock screw

adjuster lock nut

adjusting lock nut

axle lock nut

bearing cap lock

bolt-lock pin

bolt-sleeve lock

bolt-sleeve lock spring

bound by a trigger lock

breech lock

buffer-body spring lock

bushing lock

chain lock

combination lock primer

cover lock plate