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 4140-01-581-5165
NSN 6135-00-840-6451
NSN 2925-01-577-9269
NSN 5965-01-039-2795
NSN 6240-01-179-2898
NSN 6105-00-480-2728
NSN 5960-01-288-8910
NSN 5950-00-251-1131
NSN 6610-01-415-1623
NSN 5905-00-770-2026
NSN 6685-01-249-9231
NSN 5950-01-537-6320