A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts of taps, cocks, valves and similar appliances, nesoi
NSN 5960-00-835-1181
NSN 5835-00-711-3371
NSN 6645-01-069-1326
NSN 5950-00-266-9058
NSN 5905-01-154-7409
NSN 5855-01-519-2486
NSN 5895-01-501-8387
NSN 5965-00-191-6788
NSN 5965-00-913-9545
NSN 5999-00-660-8480
NSN 5985-00-652-1631
NSN 5950-01-159-0825