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 5999-00-341-2891
NSN 6145-01-579-0768
NSN 4140-01-091-7269
NSN 5835-01-408-7576
NSN 5975-01-634-0678
NSN 5925-01-432-0547
NSN 6105-01-189-6383
NSN 5945-01-464-8424
NSN 6150-01-425-1204
NSN 5945-00-203-4514
NSN 5975-00-582-1460
NSN 6645-01-310-7348