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 5930-01-156-8028
NSN 6240-00-802-7120
NSN 6110-00-627-7872
NSN 5855-00-548-4742
NSN 6220-01-012-2191
NSN 6685-00-995-1624
NSN 6650-01-434-6069
NSN 5915-00-689-9603
NSN 5920-00-629-0442
NSN 5985-01-091-9660
NSN 5950-00-737-0678
NSN 6135-00-128-1633