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 6105-01-242-2461
NSN 7035-00-205-1932
NSN 5965-01-627-6574
NSN 4140-00-005-4574
NSN 6105-00-773-1135
NSN 5999-00-556-3734
NSN 6240-00-682-3508
NSN 5999-01-302-2846
NSN 5920-00-225-8893
NSN 5895-00-922-1209
NSN 5930-01-283-1406
NSN 6240-01-516-8393