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 5996-01-076-7374
NSN 4140-00-135-6398
NSN 2925-00-408-9829
NSN 6320-01-359-3921
NSN 5835-01-174-7700
NSN 5960-01-187-7400
NSN 5945-01-459-7700
NSN 5999-00-700-2389
NSN 6220-01-106-0828
NSN 5915-00-757-9875
NSN 5998-00-105-5160
NSN 6610-01-216-7297