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 5950-01-387-8772
NSN 6150-00-340-3203
NSN 6650-01-055-6168
NSN 5915-01-591-9384
NSN 6610-00-981-5682
NSN 5990-00-852-2369
NSN 6320-01-129-9656
NSN 6150-00-591-7994
NSN 5960-00-148-4492
NSN 6320-01-067-0474
NSN 6135-01-142-6456
NSN 6135-01-222-0703