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 5915-01-567-1928
NSN 5998-01-034-1634
NSN 7035-01-192-2659
NSN 5945-00-706-5985
NSN 4140-01-383-0128
NSN 6145-00-797-3454
NSN 5915-00-959-5454
NSN 6650-01-466-5997
NSN 5996-01-457-7765
NSN 5999-00-900-9114
NSN 5950-01-183-9563
NSN 5905-01-062-0496