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 5990-00-830-5051
NSN 6220-01-104-5075
NSN 6620-01-076-8706
NSN 6320-01-019-1028
NSN 5960-01-312-1262
NSN 6135-01-514-5358
NSN 6645-00-935-7046
NSN 5996-00-983-2664
NSN 6145-01-350-4272
NSN 5905-01-342-2677
NSN 4140-00-260-9521
NSN 5999-01-062-2109