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 6620-01-485-6459
NSN 5895-00-152-0104
NSN 6240-00-771-2263
NSN 2925-00-118-4887
NSN 5925-01-239-5928
NSN 6610-00-888-6731
NSN 5935-01-634-0668
NSN 5895-01-364-1017
NSN 6620-01-138-8250
NSN 6150-01-263-9361
NSN 5965-00-882-6949
NSN 5895-01-608-5635