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 6610-01-433-2219
NSN 6240-01-435-6505
NSN 5930-01-381-6277
NSN 4140-00-686-4894
NSN 6135-01-031-8078
NSN 6650-01-449-0702
NSN 5925-01-519-2627
NSN 5920-01-629-5424
NSN 5998-01-499-7323
NSN 5990-01-443-2931
NSN 5915-00-415-5349
NSN 4140-00-707-5963