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 6150-01-062-0396
NSN 6320-01-290-5271
NSN 6610-01-424-3213
NSN 5920-01-343-4701
NSN 6650-01-621-1575
NSN 5925-01-631-1119
NSN 5905-00-597-0877
NSN 5915-01-395-0090
NSN 5935-01-079-3751
NSN 5895-00-035-8813
NSN 6105-00-928-7166
NSN 6645-01-231-9891