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 6105-01-384-3687
NSN 6220-01-520-4763
NSN 5935-00-501-2742
NSN 6130-01-588-5188
NSN 5950-00-812-9215
NSN 5996-01-388-2905
NSN 6220-00-649-3241
NSN 5855-00-198-3197
NSN 6220-01-576-1518
NSN 2925-01-259-0785
NSN 5998-00-752-1162
NSN 6650-01-498-9928