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 5985-01-106-3968
NSN 5855-01-539-0509
NSN 6130-00-265-1765
NSN 5990-01-037-1704
NSN 6135-01-101-5039
NSN 6105-01-181-6304
NSN 2925-00-986-8393
NSN 5985-00-466-2404
NSN 6645-01-199-7553
NSN 6105-01-424-7570
NSN 5990-01-599-7106
NSN 5996-01-642-5575