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 5950-01-584-8820
NSN 6145-01-381-1563
NSN 6645-01-499-6119
NSN 5920-01-465-5280
NSN 5855-00-688-9954
NSN 5999-00-563-2251
NSN 5935-00-806-0109
NSN 5999-01-484-9333
NSN 5915-01-419-1053
NSN 6620-00-190-8109
NSN 7035-01-251-8622
NSN 5835-00-752-1201