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 5985-00-225-9074
NSN 5985-00-079-0598
NSN 5945-01-497-6539
NSN 5975-01-041-5836
NSN 6610-01-436-6884
NSN 5999-00-451-5225
NSN 2925-00-081-3547
NSN 5950-01-258-6216
NSN 6110-01-431-8407
NSN 5960-01-357-1261
NSN 5975-00-946-1390
NSN 4140-01-611-9426