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, nesoi, of bearing housings & plain shaft bearings, housed bearings, clutches, universal joints, flywheels and transmission shafts
NSN 6645-00-899-1235
NSN 5895-00-902-1415
NSN 6105-01-346-2794
NSN 6685-00-248-6990
NSN 5965-00-359-9769
NSN 6685-01-576-0070
NSN 6105-01-050-5878
NSN 6685-01-240-7790
NSN 5945-01-090-8767
NSN 5960-01-142-6981
NSN 5925-01-627-2898
NSN 6150-01-136-8297