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 6620-01-381-5482
NSN 5835-01-422-2399
NSN 6130-01-597-1879
NSN 5950-00-228-0818
NSN 5990-00-362-1453
NSN 5960-01-119-1288
NSN 5910-01-353-2747
NSN 5998-01-466-6652
NSN 6650-01-388-3127
NSN 6620-01-128-3053
NSN 6240-00-480-7896
NSN 5985-01-459-8218