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 5925-01-374-3112
NSN 5999-00-339-7791
NSN 5855-01-473-6076
NSN 5985-01-433-2283
NSN 5915-00-296-5031
NSN 6685-00-253-9997
NSN 6320-00-225-7013
NSN 5835-00-351-9459
NSN 5998-01-104-4783
NSN 6240-01-296-8997
NSN 2925-01-228-6554
NSN 5990-00-090-3829