DWM-50-59-G-D-300 C8051F961-A-GMR C8051F987-C-GMR 2000296 DWM-50-56-G-S-326 20021121-00012T1LF DWM-50-59-L-S-465 DWM-50-53-S-S-300 DWM-50-56-L-S-325 DWM-50-55-L-D-254