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 5915-01-593-8937
NSN 5996-00-712-2939
NSN 5985-01-422-9766
NSN 6135-01-357-0621
NSN 5985-00-951-0643
NSN 4140-00-449-7345
NSN 5895-00-020-2233
NSN 5925-01-519-6278
NSN 2925-01-231-6312
NSN 4140-00-863-4828
NSN 5835-01-463-2334
NSN 6610-01-590-7222