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 5910-00-740-2290
NSN 6110-01-004-9870
NSN 5915-00-516-9987
NSN 6685-01-076-4652
NSN 6135-00-763-5793
NSN 5915-01-028-0237
NSN 6130-01-626-0517
NSN 5930-01-439-6560
NSN 6145-01-138-8980
NSN 5895-00-306-9882
NSN 5999-01-059-1545
NSN 6150-01-141-3935