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 5915-01-579-4810
NSN 5855-01-100-3272
NSN 5999-00-391-5541
NSN 5945-01-318-5991
NSN 6110-00-916-9582
NSN 5950-01-141-7019
NSN 5895-00-550-6580
NSN 6320-01-267-5117
NSN 5975-01-650-8317
NSN 6220-00-728-4559
NSN 6145-00-969-5612
NSN 5985-01-188-8219