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 5935-01-634-0668
NSN 5996-01-535-8047
NSN 6320-01-585-8468
NSN 6150-01-424-8062
NSN 5965-01-461-4480
NSN 5920-01-137-5447
NSN 5895-01-200-7150
NSN 5975-00-126-5724
NSN 6145-01-469-6661
NSN 5965-00-454-3444
NSN 6320-00-593-0379
NSN 6620-01-355-4339