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 5835-00-192-9568
NSN 6110-01-456-0106
NSN 6110-00-116-5514
NSN 6150-00-796-0112
NSN 6135-00-299-6918
NSN 6645-00-269-2764
NSN 5835-01-571-4083
NSN 5965-00-843-8713
NSN 5960-00-223-8381
NSN 5835-01-412-6901
NSN 5999-01-004-9905
NSN 5950-00-868-0494