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 6105-00-104-6853
NSN 6220-01-626-5700
NSN 6620-00-010-8190
NSN 5855-00-821-7512
NSN 6320-00-853-1920
NSN 5930-01-336-5334
NSN 5996-01-141-6916
NSN 6240-00-471-5399
NSN 5975-01-528-6800
NSN 6105-00-249-2897
NSN 5905-01-524-6235
NSN 4140-00-807-4745