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 5998-01-074-2037
NSN 6110-01-326-7370
NSN 6110-01-449-2459
NSN 6685-01-377-0519
NSN 5855-01-100-3272
NSN 5945-00-595-8708
NSN 2925-00-051-1467
NSN 6135-01-247-5660
NSN 5915-01-101-6841
NSN 5950-01-174-1062
NSN 5925-00-051-4892
NSN 5990-01-544-4360