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, nesoi, of bearing housings & plain shaft bearings, housed bearings, clutches, universal joints, flywheels and transmission shafts
NSN 5999-00-167-3761
NSN 6220-00-556-2396
NSN 6135-01-598-9890
NSN 6130-00-773-3132
NSN 6240-01-534-5829
NSN 5855-01-487-5048
NSN 7035-01-326-0868
NSN 6110-00-409-1115
NSN 6150-00-205-6775
NSN 5950-01-649-0489
NSN 5915-01-267-5670
NSN 5998-01-477-1040