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 5935-00-089-4487
NSN 6150-01-128-4045
NSN 6240-01-268-2223
NSN 4140-00-903-5799
NSN 5930-01-537-9759
NSN 5905-01-561-6503
NSN 5950-01-297-6729
NSN 5990-01-146-1779
NSN 6620-01-242-9247
NSN 5950-00-520-4299
NSN 6620-01-184-3193
NSN 5960-01-464-1443