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 5910-01-257-5916
NSN 6610-01-287-0123
NSN 5985-00-262-9609
NSN 6645-01-633-1852
NSN 5935-01-091-2209
NSN 5960-00-153-7115
NSN 5920-00-459-0741
NSN 6150-01-424-2633
NSN 6220-01-444-0945
NSN 5925-01-028-6504
NSN 6105-01-546-7832
NSN 5945-01-426-3021