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 5915-00-141-0410
NSN 5945-00-889-3890
NSN 6130-00-733-9352
NSN 5945-01-026-0506
NSN 7035-01-643-8304
NSN 5895-01-545-0152
NSN 6685-01-546-4845
NSN 5915-01-567-5066
NSN 6240-01-058-1777
NSN 6620-01-303-2563
NSN 5985-01-381-0218
NSN 5975-01-069-4689