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 compressors other than refrigerating and air conditioning compressors
NSN 4140-01-034-0195
NSN 5895-01-055-4235
NSN 5960-01-159-4343
NSN 5935-01-195-1123
NSN 5945-00-189-0767
NSN 5910-01-286-3782
NSN 2925-01-466-0892
NSN 7035-01-579-5976
NSN 5985-01-597-2105
NSN 5950-01-339-6007
NSN 5975-01-259-4180
NSN 5915-01-027-0800