SEALING RING FOR MOTOR SHAFT STIHL CHAINSAW MODELS: BG 60 , BG 61 , BG 75 , BR 106 , BT 106 , BT 120 C BT 121 , FR 85 , FR 106 , FR 108 , FS 60 , FS 61 , FS 72 FS 74 , FS 75 , FS 76 , FS 80 , FS 90 , FS 80 , FS 81 FS 85 , FS 86 , FS 88 , FS 94 , FS 96 , FS 106 , FS 108 , FS 120 FS 200 , FS 240 C , FS 250 , FS 260 C , FS 300 , FS 350 , FS 360 C FS 400 , FS 410 C , FS 450 , FS 480 , FS 490 C , FS 510 C , FS 560 C HL 75 , HS 60 , HS 61 , HS 72 , HS 74 , HS 75 , HS 76 , HS 80 , HS 81 T HS 82 , HS 85 , HS 86 R , HS 87 R , HT 70 , HT 75 , KW 85 DIMENSIONS OUTER DIAMETER: 22 mm INTERNAL DIAMETER: 12 mm WIDTH: 5 mm Part No.: 40271710 Original part No.: 9640 003 1195 MP