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 6130-01-557-6683
NSN 6650-01-019-1550
NSN 5998-01-158-8260
NSN 2925-00-351-1015
NSN 5895-01-083-0726
NSN 6105-01-197-1653
NSN 6650-00-418-2129
NSN 5999-01-099-1178
NSN 5915-01-192-3224
NSN 5975-00-254-7217
NSN 6685-00-369-0279
NSN 5935-01-082-7185