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 5925-01-521-3915
NSN 5945-00-224-7358
NSN 6135-01-167-7604
NSN 6685-00-226-1885
NSN 6610-01-440-4314
NSN 5925-01-566-5577
NSN 5835-01-100-3265
NSN 5910-01-482-1162
NSN 4140-00-069-5154
NSN 5925-00-274-3195
NSN 6650-01-170-1287
NSN 5975-01-268-1945