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.
Classification: Parts for spark-ignition internal combustion piston engines, nesoi
NSN 5990-01-142-0538
NSN 6620-00-147-6034
NSN 5990-00-099-0822
NSN
NSN 4140-01-605-1706
NSN 5925-01-377-5890
NSN 6145-00-487-9575
NSN 5925-00-218-4933
NSN 6650-01-141-5999
NSN 6610-00-605-1915
NSN 5960-01-044-9439
NSN 6145-00-258-3608