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 5930-01-508-4255
NSN 5950-00-857-1957
NSN 6150-00-809-6569
NSN 6145-01-202-3539
NSN 5965-01-278-2107
NSN 5905-00-552-0917
NSN 6620-01-134-7387
NSN 6240-01-197-6064
NSN 5990-00-110-9441
NSN 5985-01-250-1680
NSN 5925-00-175-9349
NSN 6240-01-139-3377