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 5855-01-105-7793
NSN 5930-00-543-0839
NSN 5975-01-614-4529
NSN 4140-00-977-6297
NSN 5975-00-665-3644
NSN 2925-00-445-4054
NSN 6110-00-324-8415
NSN 5855-00-357-1158
NSN 6105-00-895-6997
NSN 6620-00-009-0904
NSN 5915-00-583-4970
NSN 5996-01-459-8014