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 6110-00-244-3190
NSN 6320-01-154-1099
NSN 5975-00-204-9190
NSN 6110-00-663-4054
NSN 4140-01-453-9064
NSN 5925-01-381-0614
NSN 5855-00-165-3093
NSN 5935-01-283-3044
NSN 7035-01-444-9249
NSN 6610-01-473-1843
NSN 5999-01-129-0099
NSN 6145-01-246-3988