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 6685-00-270-5855
NSN 6240-00-929-5851
NSN 6320-00-445-1187
NSN 5910-01-322-3878
NSN 5975-00-044-2101
NSN 6145-01-112-6714
NSN 5965-01-010-1258
NSN 5990-00-808-2184
NSN 5910-01-398-9568
NSN 6130-00-840-8886
NSN 6130-01-259-3890
NSN 4140-01-501-8639