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 5975-00-577-3765
NSN 5925-01-630-5817
NSN 5905-00-165-9546
NSN 6145-01-277-1825
NSN 5950-01-078-6261
NSN 6130-00-914-1617
NSN 5835-01-031-7265
NSN 5990-01-065-0492
NSN 6620-00-098-5652
NSN 6610-01-564-9290
NSN 5925-01-379-9942
NSN 5996-01-551-8291