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 6240-01-532-9358
NSN 5930-01-658-4401
NSN 5990-01-540-1619
NSN 5990-01-481-3080
NSN 5945-00-607-4448
NSN 5975-01-350-3425
NSN 6645-01-068-6524
NSN 6220-00-900-5302
NSN 5925-01-631-8377
NSN 6150-00-787-5668
NSN 4140-01-177-9363
NSN 2925-01-175-1217