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 compression-ignition internal combustion piston engines (diesel), nesoi
NSN 5999-01-647-8303
NSN 6135-01-084-1609
NSN 5930-01-429-8443
NSN 5945-00-419-0184
NSN 5999-01-122-1464
NSN 5855-01-031-4729
NSN 6685-01-233-7751
NSN 4140-01-109-0451
NSN 6105-01-250-2977
NSN 5930-00-919-5698
NSN 5835-01-281-7281
NSN 5975-00-681-5900