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 6620-00-360-1379
NSN 5935-01-370-9800
NSN 6240-01-293-4819
NSN 5935-01-472-3577
NSN 5920-01-549-1289
NSN 6110-00-143-9931
NSN 5945-00-193-8096
NSN 6145-00-596-8447
NSN 6150-01-412-0377
NSN 5998-01-020-7274
NSN 6240-00-847-5134
NSN 6320-01-046-5228