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 5925-00-943-0250
NSN 5920-01-145-4979
NSN 6610-01-633-8931
NSN 6220-01-616-5283
NSN 5990-00-179-2576
NSN 5960-01-495-0859
NSN 5855-00-482-9876
NSN 5915-01-258-5308
NSN 6685-01-348-7639
NSN 5950-01-258-6776
NSN 6220-01-252-3458
NSN 5996-01-633-7979