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 or compression-ignition internal combustion piston engines for use in aircraft except civil
NSN 5855-00-411-8688
NSN 6320-00-422-9006
NSN 6220-00-958-5441
NSN 5990-00-164-1677
NSN 5935-01-114-7124
NSN 6620-01-594-1833
NSN 5975-01-430-4112
NSN 6620-01-539-5188
NSN 5915-01-180-6694
NSN 6145-01-373-3614
NSN 5895-01-400-2312
NSN 6240-00-868-2102