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 5985-00-132-6897
NSN 6320-01-377-5701
NSN 4140-00-229-0915
NSN 5998-01-003-7983
NSN 5935-00-449-5694
NSN 7035-00-358-0470
NSN 5855-00-489-6754
NSN 5905-01-214-0613
NSN 5960-00-584-4553
NSN 5996-01-397-5043
NSN 5985-01-413-4788
NSN 5985-00-831-7783