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 5960-00-939-6039
NSN 6320-00-186-6452
NSN 5960-01-203-9814
NSN 6130-00-180-5149
NSN 5960-01-424-0590
NSN 6150-01-392-0066
NSN 7035-00-286-6221
NSN 5945-01-572-0158
NSN 6110-01-115-6034
NSN 6150-01-531-1952
NSN 5835-01-111-0969
NSN 6645-00-337-8276