TM 10-4320-303-13 Table 1-6.  Description of Major Components for TWDS Distribution Point. Item No. Item Name Description and Purpose 1 HOSE ASSEMBLY 2 inch x 20 foot, rigid walled, hose assembly.  Used to direct water   flow   from   20,000   gallon   pillow   tank   to   125   GPM pumping assembly. 2 125 GPM PUMPING ASSEMBLY Gas driven 125 GPM pumping assembly used to pump water from  the  20,000  gallon  pillow  tank  to  the  hypochlorination unit   and   water   dispensing   devices.      Refer   to   applicable technical manual for detailed information concerning the 125 GPM pumping assembly. 3 HOSE ASSEMBLY 2 inch x 10 foot, collapsible hose assembly.  Directs flow of water from 125 GPM pumping assembly to hypochlorination unit.        Equipped    with    quick-disconnect    fittings    for    rapid installation. 4 HYPOCHLORINATION UNIT Used to chlorinate water to levels acceptable for consumption.    One  of  three  hypochlorination  units  may  be supplied   with   the   TWDS.      Refer   to   applicable   technical manuals    for    detailed    information    concerning    models    A- 506131 and 1955-3.  Detailed information concerning model 1955-1 is contained within this manual. 5 HOSE ASSEMBLY Seven hose assemblies are used with each distribution point. 2 inch x 20 foot, collapsible hose assembly.  Directs flow of water from 2 inch gate valve to nozzle and elbow valve. 6 2 INCH GATE VALVE ASSEMBLY Two  are  used  with  each  distribution  point.    Used  to  control water   flow   from   hypochlorination   unit   to   water   dispensing points. 7 QUICK  DISCONNECT  WYE CONNECTION Three  are  used  with  each  distribution  point.    Used  to  direct water flow to distribution equipment. 8 NOZZLE Two are used with each distribution point.  Used to dispense water in small volumes with a pistol like action. 9 ELBOW VALVE Two are used with each distribution point.  Used to dispense water  in  large  volumes,  with  the  user  controlling  water  flow volume. 10 NOZZLE STAND ASSEMBLY Two are used with each distribution point.  Collapsible tripod. Used to support nozzle and elbow valve when not in use. 11 DRINKING WATER STORAGE BAG 36 gallon capacity, cotton duck water storage bag.  Faucets at bottom of bag used to distribute water to personnel. 12 REDUCER Used to reduce water volume from the filler/discharge elbow to the rigid walled hose assembly. 13 ADAPTER Two    are    used    with    each    distribution    point.        Connects threaded  ends  of  hypochlorination  unit  and  125  GPM  pump to rigid walled hose assembly. Change 1  1-9