гідрошарнір
swivel gun
sling swivel
adjustable upper sling swivel
butt-swivel pin
detachable swivel
upper sling swivel
bogie swivel hinge
swivel
coupling hook
elastic coupling
energy coupling
U-joint (universal joint / universal coupling)
ball coupling
bevel coupling
coupling bar
coupling joint
coupling lever
coupling rod
coupling sleeve
dynamo coupling
universal coupling
hose coupling
flexible coupling
fluid coupling
fuel pump spindle coupling
pressure fuel(l)ing coupling
coupling
liquid coupling
groove for coupling