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 5965-01-232-6509
NSN 6645-01-641-4998
NSN 5950-00-870-0186
NSN 6105-01-304-8172
NSN 5999-01-204-2875
NSN 5975-01-358-3031
NSN 5835-01-067-0075
NSN 5996-00-169-9323
NSN 5950-00-762-8617
NSN 5920-00-005-7106
NSN 6135-00-968-8594
NSN 5835-01-278-4683