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 5920-01-076-4634
NSN 5975-01-654-9413
NSN 6240-01-104-5085
NSN 6645-01-372-0126
NSN 6650-00-788-1461
NSN 5965-01-236-9988
NSN 6145-01-459-9997
NSN 6145-01-197-6921
NSN 5835-00-572-7445
NSN 5925-01-222-6642
NSN 5990-01-591-8797
NSN 6145-01-106-7056