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 6610-00-176-5486
NSN 6135-00-809-2148
NSN 5950-00-174-8147
NSN 6650-01-341-8097
NSN 5905-01-391-9102
NSN 5950-00-989-5558
NSN 5920-01-594-6994
NSN 5925-01-500-2433
NSN 5999-00-068-8976
NSN 5985-01-308-2265
NSN 6145-01-374-9885
NSN 5835-01-021-9681