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 6620-00-724-3137
NSN 5985-01-053-3618
NSN 5930-00-122-3664
NSN 5905-00-487-9677
NSN 5996-01-533-1111
NSN 5960-00-152-9488
NSN 5999-00-375-0180
NSN 5855-01-257-5338
NSN 6240-00-197-6819
NSN 6620-00-466-2314
NSN 6130-00-480-1204
NSN 5998-00-572-3353