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 5950-01-547-8630
NSN 6620-00-203-9466
NSN 5895-00-607-0078
NSN 4140-01-519-3222
NSN 7035-00-945-3166
NSN 5950-00-401-1565
NSN 5905-01-012-0734
NSN 5925-01-385-3285
NSN 5965-01-332-9825
NSN 5985-01-025-1951
NSN 5920-00-652-2018
NSN 6650-00-407-0745