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 5915-00-898-1875
NSN 6645-01-389-7961
NSN 6610-00-401-2601
NSN 5950-01-433-3282
NSN 2925-00-315-0037
NSN 5996-01-442-3676
NSN 5960-01-512-0233
NSN 6150-00-071-3058
NSN 5895-01-083-2858
NSN 4140-01-587-3107
NSN 6220-01-478-4985
NSN 5999-00-226-7859