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 for compression-ignition internal combustion piston engines (diesel), nesoi
NSN 5975-01-634-0678
NSN 5960-00-850-6633
NSN 5920-01-288-6591
NSN 6620-00-104-6937
NSN 5990-01-124-9063
NSN 2925-01-398-6751
NSN 6610-01-116-2527
NSN 6150-01-028-2014
NSN 6650-00-458-7586
NSN 5965-00-932-4591
NSN 6105-01-302-9088
NSN 6105-00-733-9226