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 6150-01-278-8237
NSN 5990-01-024-9659
NSN 5999-00-829-0846
NSN 5990-01-161-4625
NSN 6650-01-035-3041
NSN 5990-01-133-0351
NSN 5920-00-006-1919
NSN 5895-00-466-3100
NSN 5930-00-188-9880
NSN 6220-01-146-5152
NSN 6645-00-752-2939
NSN 5925-01-272-0894