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 6105-00-279-3044
NSN 5996-01-599-1517
NSN 5999-00-108-1137
NSN 5920-01-356-4122
NSN 6620-01-562-8816
NSN 5915-01-415-3100
NSN 5999-01-431-3740
NSN 6620-00-774-3638
NSN 6130-01-007-7258
NSN 7035-01-463-3368
NSN 5975-01-029-9006
NSN 5998-00-217-8579