feed block slide (feed-block-actuating slide)

повзун приймача (станкового кулемета)

backsight slide; back-sight slide

belt feed pawl (belt-feed pawl)

belt-feed pawl pin / belt feed pawl pin

belt feed pawl spring / belt-feed pawl spring

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

actuating fluid pressure

actuating lever

actuating shaft

clutch and brake actuating mechanism

crank-actuating shaft

valve actuating push rod

valve actuating rocker

firing-lever spindle actuating lever

actuating mechanism

landing gear actuating cylinder

actuating strut

flap actuating shaft

actuating mechanism / actuator

emergency supply actuating valve

feed block cover

feed-block mouth

machine-gun feed-block body

feed-block cover

feed-block platform

cylinder block (engine block)

retractor slide

elevating slide

air slide valve