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 5999-00-007-4423
NSN 5895-01-469-9175
NSN 5935-00-932-1437
NSN 6150-01-226-2767
NSN 6645-01-230-6252
NSN 6130-01-158-6139
NSN 6150-01-062-7095
NSN 6320-01-215-1133
NSN 5996-01-137-2927
NSN 5960-01-045-0522
NSN 5855-01-249-0717
NSN 5945-01-149-4291