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 6220-01-542-8738
NSN 5950-00-655-1416
NSN 5999-01-224-1860
NSN 6685-01-519-2223
NSN 5996-00-263-0593
NSN 5925-01-100-6998
NSN 5996-01-391-2733
NSN 6685-01-411-4435
NSN 6645-01-192-4079
NSN 5925-01-494-2338
NSN 6620-00-182-7638
NSN 6620-00-912-9623