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 6135-01-571-0845
NSN 5945-00-007-1995
NSN 6685-00-596-8765
NSN 5950-01-483-1472
NSN 5990-01-200-3711
NSN 6220-01-054-9112
NSN 5985-01-101-3972
NSN 6130-01-415-0590
NSN 6130-00-279-5066
NSN 5975-01-462-0269
NSN 5895-01-309-9746
NSN 6685-01-586-2250