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 5920-01-049-0022
NSN 5935-00-547-6852
NSN 5915-01-290-4107
NSN 6150-01-571-7704
NSN 6220-01-410-8592
NSN 2925-01-593-2542
NSN 6110-00-218-0967
NSN 6240-00-316-3167
NSN 6105-01-047-0220
NSN 6145-01-071-2126
NSN 6240-01-598-2191
NSN 6240-01-557-9038