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 5990-01-421-5342
NSN 5950-01-318-0324
NSN 6685-01-024-9922
NSN 5999-01-264-7276
NSN 5895-00-068-7134
NSN 6610-01-414-7481
NSN 4140-01-660-0968
NSN 6130-00-470-0522
NSN 5915-00-959-5454
NSN 6130-01-291-5404
NSN 5999-00-557-1789
NSN 6150-01-113-0785