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.
NSN 5985-00-929-6174
NSN 5920-01-652-4183
NSN 6105-01-595-5868
NSN 6145-01-264-2421
NSN 6620-01-023-2938
NSN 6150-01-512-8826
NSN 4140-01-626-4812
NSN 5935-00-817-2718
NSN 6320-01-415-0953
NSN 5950-01-188-2574
NSN 6150-01-072-2275
NSN 5905-01-217-2454