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 5935-00-344-6762
NSN 5999-01-152-1707
NSN 5855-01-523-4058
NSN 5975-00-883-5806
NSN 5915-00-822-1290
NSN 6110-01-198-6154
NSN 5996-01-242-6634
NSN 5935-00-167-6021
NSN 5920-01-431-7617
NSN 5910-00-200-1413
NSN 6220-01-113-6431
NSN 5975-00-827-2273