TM 9-2320-272-10 B-3. EXPLANATION OF COLUMNS (Contd) USABLE ON CODE VEHICLE USED ON A A11 DAW M923A1 wo/w (Dropside) DAX M925A1 w/w (Dropside) DAC M927A1 wo/w (XLWB) DAD M928A1 w/w (XLWB) DAE M929A1 wo/w DAF M930A1 w/w DAG M931A1 wo/w DAH M932A1 w/w DAJ M934A1 wo/w DAL M936A1 w/w V15 M923 wo/w (Dropside) V14 M925 w/w (Dropside) V17 M927 wo/w (XLWB) V16 M928 w/w (XLWB) V20 M929 wo/w V19 M930 w/w V22 M931 wo/w V21 M932 w/w V24 M934 wo/w V18 M936 w/w ZAA M923A2 wo/w (Dropside) ZAB M925A2 w/w (Dropside) ZAC M927A2 wo/w (XLWB) ZAD M928A2 w/w (XLWB) ZAE M929A2 wo/w ZAF M930A2 w/w ZAG M931A2 wo/w ZAH M932A2 w/w ZAJ M934A2 wo/w ZAL M936A2 w/w d. Column (4) - U/I (Unit of Issue).  Indicates how the item is issued for the National Stock Number shown in column two. e. Column (5) - Qty Rqd.  Indicates the quantity required. Section II.  COMPONENTS OF END ITEM LIST (COEI) B-4. GENERAL These  items  are  installed  in  the  vehicle  at  the  time  of  manufacture  or  rebuild.    (None  authorized  for  M939, M939A1, and M939A2 series.) B-3