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 5999-00-148-8187
NSN 5999-01-634-0576
NSN 6105-00-945-6072
NSN 6320-01-492-1976
NSN 5935-01-274-4162
NSN 6240-01-253-0687
NSN 5925-01-634-0664
NSN 7035-00-553-6951
NSN 5975-00-415-6642
NSN 6150-00-443-3419
NSN 5935-01-025-1383
NSN 5960-00-507-3122