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 5999-00-161-0620
NSN 5998-00-460-2939
NSN 6220-01-155-2357
NSN 6240-01-407-5690
NSN 6645-00-149-1100
NSN 6150-00-353-1403
NSN 6105-00-810-0514
NSN 6220-00-520-0333
NSN 6105-01-430-9736
NSN 7035-01-282-7124
NSN 6320-01-484-7734
NSN 5855-01-147-4785