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 6105-01-496-0715
NSN 6650-01-108-2948
NSN 6105-01-559-6751
NSN 5935-00-529-0921
NSN 6650-00-955-2802
NSN 4140-01-442-8479
NSN 6150-01-158-0030
NSN 5855-01-354-3463
NSN 5965-00-486-7907
NSN 5920-00-384-8926
NSN 5930-00-481-5511
NSN 6240-01-163-0086