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 7035-00-009-8705
NSN 5895-01-453-1060
NSN 6145-00-663-6133
NSN 6150-00-378-9833
NSN 5998-00-035-5308
NSN 5999-01-475-4021
NSN 6150-00-927-3779
NSN 5950-01-194-2950
NSN 5950-01-076-7012
NSN 5855-01-217-6857
NSN 6610-00-755-1740
NSN 5905-01-025-5169