Ring with carbon insert; material ring-m-2 tool steel, insert- p-2003 pure carbon; 3.418 in. Min., 3.455 in. Max o.D.; 3.0852 in. Min., 3.0862 in. Max i.D.; 0.118 in. Min., 0.122 in. Max. Thick.
An item of single piece metal knifed edged construction used to form a tight air seal. It is mounted on a rotating portion of the engine. It may be used in conjunction with other seals to prevent oil seepage.
Classification: Parts of nonaircraft gas turbines
NSN 6650-01-573-4044
NSN 5945-00-546-2751
NSN 6135-01-507-4346
NSN 6130-01-412-1320
NSN 5960-01-182-3676
NSN 6240-01-234-7893
NSN 5920-00-187-0260
NSN 6105-01-433-2899
NSN 6610-01-027-1641
NSN 2925-01-603-0186
NSN 6130-01-410-8312
NSN 6240-00-932-1331