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 6645-01-230-5073
NSN 5930-01-167-1826
NSN 6240-01-524-4088
NSN 6685-00-799-8236
NSN 5925-00-336-1992
NSN 5990-01-461-8969
NSN 6620-01-519-2628
NSN 6650-00-016-3676
NSN 2925-00-938-3797
NSN 6105-01-189-1552
NSN 5930-01-026-0343
NSN 6105-00-981-1335