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 5985-00-607-0163
NSN 5999-00-206-0444
NSN 5895-01-606-0828
NSN 5925-01-401-5314
NSN 5835-01-555-8963
NSN 4140-01-258-4044
NSN 5950-01-442-6188
NSN 6645-01-132-1862
NSN 6150-00-152-2582
NSN 6650-00-177-6390
NSN 5965-00-458-7321
NSN 6150-01-390-6356