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 5990-01-400-2195
NSN 6130-00-009-1095
NSN 6110-01-130-8038
NSN 5998-01-429-0325
NSN 6105-01-634-0322
NSN 6320-01-054-3046
NSN 5930-00-644-9537
NSN 5950-01-439-6156
NSN 6650-01-328-8363
NSN 5905-00-961-1684
NSN 5945-01-220-6449
NSN 6220-01-528-4398