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 5935-00-636-9897
NSN 6240-01-350-7753
NSN 5920-00-578-3750
NSN 5905-00-884-4779
NSN 5996-01-459-8590
NSN 5999-00-289-1472
NSN 5975-00-516-9335
NSN 6620-01-342-5953
NSN 5965-00-834-6298
NSN 6130-01-419-4986
NSN 5965-01-005-0611
NSN 5835-01-536-6241