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 6645-01-062-0905
NSN 4140-01-521-4316
NSN 6150-01-323-7274
NSN 6650-01-196-4667
NSN 5910-01-598-6850
NSN 5920-00-384-8926
NSN 5905-01-107-6580
NSN 6685-01-276-8200
NSN 5996-01-121-8430
NSN 5925-01-177-9077
NSN 5905-01-123-9580
NSN 5998-01-450-8131