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 5990-01-246-7417
NSN 6135-01-051-7836
NSN 5950-00-862-9444
NSN 6650-00-955-2802
NSN 6320-01-512-2031
NSN 6610-01-365-0971
NSN 7035-00-104-7613
NSN 5960-00-688-7510
NSN 6145-01-557-4906
NSN 6240-01-310-8598
NSN 6645-01-605-4351
NSN 5985-01-437-9733