прокладочное кольцо

1) Naval: filling-in ring, junk ring, washer ring

2) Engineering: distance ring, grommet, intermediate ring, joint disk, spacer

3) Construction: gas ring

4) Railway term: compression ring

5) Automobile industry: filler ring, gasket

6) Metallurgy: caulking ring, gasketed ring

7) Oil: gasket ring, joint ring, packing ring, sealing ring

8) Drilling: grummet

9) Automation: hydraulic seal ring, seal ring

10) Arms production: packing