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 5920-01-466-4500
NSN 5975-01-293-1648
NSN 6320-01-631-7828
NSN 4140-01-043-5089
NSN 5910-00-419-0330
NSN 7035-01-078-9771
NSN 6130-00-538-9798
NSN 5965-01-012-1065
NSN 6220-01-349-8669
NSN 5998-01-056-1448
NSN 6145-00-132-4800
NSN 5910-00-525-5943