M998 A1 HUMMER REAR PROPELLER SHAFT 5937339 12342619 NOS USE WITH TRANSMISSION CASE P/N - 12342643-1, 12447125 AND 5537387 US ARMY P/N - 12342619 AM GENERAL P/N - 5937339 NSN - 2520-01-357-5044 IN THE PICTURE ITEM IS # 19, # 20, # 21, # 22, # 23 AND # 24 FITS M998 AND M998A1 HUMMER