прокладочне кільце
base junction; rotary collector ring (box); rotary base junction (of a tank); rotary connection; slip ring; traverse rotary base junction
life ring (ring buoy)
lock washer
striker washer
bearing retainer washer
brake washer
C washer
U washer
valve spring washer
insulating washer
washer
safety washer
locating washer
Belleville spring washer
base ring
breech ring (of firearm)
D-ring
gun ring
jet ring
retaining ring
ring
safety-pin ring
stator ring
stiffener ring
X ring
defense ring
power-slip ring
slinger ring
slip ring
slip-ring box
slip-ring terminal
fire extinguishing ring