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 5905-01-634-0595
NSN 5950-01-392-6396
NSN 5996-00-503-8499
NSN 6645-00-192-1152
NSN 5996-01-236-3526
NSN 5895-01-278-9379
NSN 5975-00-886-6332
NSN 6150-01-269-4061
NSN 5945-01-502-3196
NSN 6320-01-627-8295
NSN 6105-01-359-0401
NSN 6320-00-194-4252