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 6130-01-419-7091
NSN 6150-01-274-3338
NSN 5999-01-482-7362
NSN 5915-01-328-8964
NSN 5975-00-522-7125
NSN 6650-01-092-2451
NSN 5985-01-014-3472
NSN 6320-01-245-5307
NSN 4140-01-212-1433
NSN 5915-01-377-3545
NSN 5998-01-227-2143
NSN 7035-01-440-7055