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 5999-01-026-9445
NSN 5990-00-419-0236
NSN 6610-00-814-8598
NSN 2925-01-055-7607
NSN 5950-01-081-7440
NSN 5935-01-052-1902
NSN 4140-01-431-4330
NSN 5985-00-293-8322
NSN 6105-01-464-5403
NSN 6610-01-352-5500
NSN 6320-01-089-9086
NSN 6135-00-488-4478