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 5895-00-954-8264
NSN 6240-01-062-7922
NSN 4140-01-483-2275
NSN 6110-00-754-7926
NSN 5935-01-392-1385
NSN 5835-00-898-0201
NSN 6150-01-394-4093
NSN 5990-00-456-8793
NSN 6645-00-754-4108
NSN 6610-01-216-9542
NSN 5835-01-064-5376
NSN 5996-01-094-4611