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 5910-00-769-0735
NSN 5996-01-351-6181
NSN 5985-00-778-5164
NSN 5835-00-729-9305
NSN 4140-01-166-0028
NSN 5895-01-172-5348
NSN 5910-01-612-7198
NSN 6620-00-185-1671
NSN 5990-01-534-8609
NSN 6135-01-091-6021
NSN 6240-01-533-6303
NSN 5895-01-192-9786