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 5835-01-488-6678
NSN 5975-00-156-3654
NSN 5910-00-774-6157
NSN 5855-00-107-7993
NSN 2925-01-209-9245
NSN 6685-00-528-5175
NSN 6610-01-296-0880
NSN 6320-00-186-6452
NSN 5895-01-617-6701
NSN 6130-01-473-1472
NSN 5945-01-440-9776
NSN 6220-01-529-6728