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 5950-01-252-1736
NSN 5965-00-563-4753
NSN 5925-01-243-1812
NSN 6685-01-332-6437
NSN 6135-01-578-1148
NSN 6110-00-672-0155
NSN 5895-01-278-9131
NSN 6610-01-311-1760
NSN 5905-00-446-5440
NSN 7035-00-480-6767
NSN 5925-01-080-1371
NSN 5895-01-012-0930