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 5945-01-322-3887
NSN 6620-00-266-2763
NSN 6320-01-498-4954
NSN 6135-01-069-2482
NSN 4140-01-435-4887
NSN 6320-01-158-2177
NSN 5960-00-565-0101
NSN 6150-01-511-5132
NSN 6645-01-363-9790
NSN 5855-01-138-4985
NSN 2925-01-029-0467
NSN 6645-01-171-0187