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 5930-01-584-1859
NSN 5935-01-112-0849
NSN 5920-01-481-9578
NSN 6220-00-595-6954
NSN 5999-01-359-3153
NSN 5985-00-947-9887
NSN 6320-01-328-6575
NSN 5835-01-317-4840
NSN 6145-01-337-0008
NSN 5960-00-794-7463
NSN 5945-01-359-4092
NSN 6220-00-314-1751