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 4140-00-105-3083
NSN 6320-01-358-8069
NSN 6110-01-582-0167
NSN 6110-00-100-4775
NSN 6240-01-468-5337
NSN 5950-01-212-1894
NSN 5835-01-345-6697
NSN 5935-01-164-3599
NSN 6135-01-174-4863
NSN 6650-01-062-0828
NSN 5985-00-355-7611
NSN 6135-00-269-5843