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 5930-00-960-9240
NSN 6645-00-333-6244
NSN 5996-01-504-0263
NSN 5945-00-234-0806
NSN 6645-01-068-6524
NSN 6650-01-296-0883
NSN 5999-01-322-3273
NSN 5965-00-400-6228
NSN 5950-00-186-4962
NSN 5996-01-541-4974
NSN 6610-01-108-0417
NSN 6150-00-466-0955