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 5945-01-634-0588
NSN 5996-01-147-6054
NSN 5999-00-764-0482
NSN 6240-01-596-3183
NSN 5998-00-232-2137
NSN 6220-00-396-0039
NSN 5910-01-175-3680
NSN 6320-01-574-1915
NSN 5965-01-169-1194
NSN 6650-01-364-1313
NSN 6135-00-635-9187
NSN 5930-01-062-4335