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 6620-01-119-0664
NSN 5920-01-202-1982
NSN 5935-00-247-3106
NSN 5975-00-251-2478
NSN 5950-00-550-1069
NSN 2925-01-458-5808
NSN 5975-01-521-8349
NSN 6610-01-337-4640
NSN 5975-01-466-0613
NSN 5895-01-431-8116
NSN 5910-00-493-5543
NSN 6220-01-381-1074