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 6135-01-010-0891
NSN 6320-00-405-2348
NSN 5950-01-582-8295
NSN 5920-01-016-7030
NSN 5998-01-068-4858
NSN 6110-01-167-8906
NSN 2925-01-629-9416
NSN 5998-01-255-0807
NSN 6105-01-263-8425
NSN 6240-00-045-9844
NSN 5835-01-370-8912
NSN 6105-01-479-3404