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 5935-01-190-9666
NSN 7035-01-390-1132
NSN 6130-01-448-9717
NSN 6685-01-176-6869
NSN 5895-00-726-4831
NSN 6645-01-383-7362
NSN 5998-01-310-7332
NSN 5950-00-364-0764
NSN 7035-00-117-0418
NSN 5960-00-246-4623
NSN 5835-01-242-9806
NSN 5990-01-032-5160