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 5935-00-896-0770
NSN 5835-00-119-5585
NSN 5960-01-088-9090
NSN 5960-01-544-1273
NSN 6320-01-267-7990
NSN 5985-01-044-4530
NSN 5935-00-558-6806
NSN 5905-01-628-6733
NSN 5965-00-179-3789
NSN 5990-01-318-3238
NSN 6320-01-264-7611
NSN 6150-00-518-4558