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 6610-00-726-0247
NSN 6110-01-336-0457
NSN 5835-00-198-4936
NSN 5930-01-530-0056
NSN 4140-01-018-2984
NSN 4140-01-245-3281
NSN 5985-01-199-5481
NSN 5975-00-587-4871
NSN 5990-01-434-3469
NSN 5996-01-604-8629
NSN 5960-01-632-6576
NSN 5945-01-068-9973