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 6150-01-201-1706
NSN 6320-00-468-8421
NSN 5905-01-207-7859
NSN 5930-00-244-1869
NSN 5999-01-384-5732
NSN 5999-01-364-6282
NSN 5915-00-276-8332
NSN 6685-01-463-2970
NSN 6240-01-385-5756
NSN 5999-01-419-3501
NSN 5990-01-004-6343
NSN 7035-01-541-8029