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 5950-01-172-1276
NSN 5915-01-435-2549
NSN 2925-00-149-0760
NSN 6150-01-220-3979
NSN 5998-01-527-6913
NSN 5915-00-398-0677
NSN 5975-01-348-6127
NSN 6110-01-130-2975
NSN 2925-00-964-7128
NSN 6145-01-007-8870
NSN 5895-01-482-1403
NSN 2925-01-140-8957