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 6105-01-181-8790
NSN 5835-00-011-6660
NSN 5920-01-548-9521
NSN 6650-01-394-6894
NSN 5999-00-925-2502
NSN 6135-00-962-4111
NSN 5999-00-145-7783
NSN 6135-01-046-6803
NSN 5975-01-338-2305
NSN 6610-01-574-3260
NSN 6610-00-159-1119
NSN 4140-00-144-6833