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 5920-00-905-4769
NSN 5835-01-379-1407
NSN 6145-00-248-8965
NSN 6145-01-507-2136
NSN 5960-00-539-7914
NSN 6240-01-273-0193
NSN 5915-01-436-9376
NSN 5930-01-464-3106
NSN 5835-01-106-1456
NSN 5999-01-634-0576
NSN 2925-01-300-2897
NSN 5960-00-840-7103