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 nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 5990-01-485-0260
NSN 6220-01-161-8199
NSN 6650-00-227-8743
NSN 6320-00-405-2348
NSN 5905-01-236-6561
NSN 7035-01-654-9501
NSN 6220-01-007-9988
NSN 5975-01-555-9762
NSN 5915-01-516-0459
NSN 5920-00-951-5050
NSN 6220-01-128-8248
NSN 6145-00-241-1770