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 6610-01-448-8904
NSN 5905-00-933-6337
NSN 5920-01-300-3646
NSN 6610-01-579-0134
NSN 6135-00-461-3590
NSN 5905-01-341-1147
NSN 5915-00-957-6970
NSN 6130-01-191-5856
NSN 5999-00-807-3430
NSN 6145-01-589-0063
NSN 5920-00-063-0532
NSN 5990-01-320-1412