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 6110-01-044-0230
NSN 5910-01-418-1553
NSN 5905-00-189-1218
NSN 5905-00-092-0576
NSN 5935-01-302-9261
NSN 5895-01-323-9866
NSN 5895-00-372-5493
NSN 6150-00-072-4944
NSN 5935-01-549-3830
NSN 5960-01-333-1828
NSN 4140-01-366-2458
NSN 5910-00-728-3541