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 7035-01-364-8454
NSN 5920-01-185-2222
NSN 6620-01-223-5998
NSN 6105-00-059-5357
NSN 5915-01-505-6106
NSN 6135-01-120-9812
NSN 6650-01-062-1926
NSN 5999-00-790-1616
NSN 5965-01-360-0454
NSN 5935-00-339-9011
NSN 5945-01-152-2945
NSN 6620-00-215-1996