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 5998-01-091-8553
NSN 6220-01-634-0660
NSN 5910-01-350-5652
NSN 4140-00-023-5949
NSN 5999-01-072-5609
NSN 5950-01-593-6496
NSN 6110-01-533-9238
NSN 5990-00-918-3876
NSN 5950-00-930-7436
NSN 5910-01-388-3735
NSN 6650-00-259-2605
NSN 5835-01-506-0746