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 5925-01-508-7951
NSN 5998-01-309-8704
NSN 5990-01-368-9117
NSN 5855-00-944-0949
NSN 6240-01-580-4951
NSN 6645-01-421-2445
NSN 6610-01-463-8866
NSN 6150-01-178-2872
NSN 6130-00-519-2012
NSN 6240-01-373-2688
NSN 5905-01-103-8796
NSN 6110-00-429-4777