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 6130-01-400-6123
NSN 5960-01-605-9921
NSN 5920-00-065-3512
NSN 5998-00-862-0019
NSN 5855-01-633-1253
NSN 5950-00-813-8398
NSN 5920-01-221-0510
NSN 5905-01-362-8949
NSN 5950-01-224-7226
NSN 5945-01-420-2802
NSN 6145-01-504-4252
NSN 6220-01-378-2556