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 5945-00-067-6712
NSN 5950-01-431-6884
NSN 6320-01-414-7099
NSN 5930-01-063-9045
NSN 5905-01-534-5964
NSN 2925-01-297-9759
NSN 5920-01-554-9804
NSN 5855-01-590-3323
NSN 5950-00-522-4500
NSN 5930-01-423-4233
NSN 5925-01-363-9128
NSN 6610-00-007-6832