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 5999-01-569-5921
NSN 5990-01-191-9624
NSN 5905-01-049-3140
NSN 5998-01-099-8302
NSN 6220-01-444-3972
NSN 5985-00-390-3834
NSN 5999-00-306-0377
NSN 6105-00-455-6193
NSN 6650-01-190-2304
NSN 5998-01-573-8979
NSN 6130-01-113-3415
NSN 5950-01-516-1981