From inside (document excerpt):
SERVICE SPARE PARTS LIST SPECIFY MODEL NO. WHEN ORDERING PARTS 39CC 16 ” GAS CHAIN SAW DATE REVISED DATE PAGE MODEL NO. 41AY69CR077/MS1639NAVCC 2/6/2006 N/A 1/2 SERVICE SPARE PARTS LIST DATE REVISED DATE PAGE SPECIFY MODEL NO. WHEN ORDERING PARTS 39CC 16 ” GAS CHAIN SAW MODEL NO. 41AY69CR077/MS1639NAVCC 2/6/2006 N/A 2/2 No.STK CODE JFT Parts No. 9157-310502 9DB-620101 9228-310505 9290-310502 9189-310502 9NB-K101410 9PC-10-34.5-CH 9CA-10.3 9072-310501F 9295-310502 9292-310501F 9012-310502 9082-310505 9STDB-05-60 9082-310504 6WSB-06 9SACB-06-25 9082-310506 9287-310501 9228-310510 9NHZ-05 9SGKBY10/14-0.625 9068-310501 9028-310502 9028-310501 9024-310504 9SKKBY10/14-0.68 9027-310101 9068-310502 9022-310501 Description CAP, BEARING BEARING CRANK/ROD ASS’Y PISTON RING, PISTON ROLLER, PISTON PIN, PISTON RING CASE, CRANK SPARK PLUG CYLINDER RUBBER, ISOLATOR SPACER SCREW ISOLATOR, CARBURETOR SPRING WASHER SCREW SPACER CARBURETOR AIR FILTER ASS/Y NUT SCREW HANDLE, LEFT PART TRIGGER, THROTTLE TRIGGER, RELEASE SPRING SCREW RUBBER HANDLE, REAR SWITCH