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 5996-01-464-4276
NSN 5945-01-611-3485
NSN 6650-01-382-8569
NSN 4140-00-557-7001
NSN 6105-00-781-5047
NSN 4140-01-450-3823
NSN 5910-01-260-9844
NSN 6650-01-320-7610
NSN 6130-00-653-4228
NSN 5975-01-186-3222
NSN 6610-01-344-9239
NSN 6610-01-234-9098