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Source  Code - TM-3-4230-218-30P_96
Maintenance  Code - cont

TM-3-4230-218-30P Decontaminating Apparatus: Power-Driven Portable Type A/E32U-8 NSN: 4230-01-153-8660 Manual
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TM 3-4230-218-30&P Explanation Explanation Items  with  these  codes  are  not  to  be  requested/requisitioned individually. The  parts  that  make  up  the  assembled  item  must be  requisitioned  or  fabricated  and  assembled  at  the  level  of maintenance  indicated  by  the  source  code. If  the  3d  position code  of  the  SMR  code  authorizes  you  to  replace  the  item,  but the  source  code  indicates  the  items  are  assembled  at  a  higher level,  order  the  item  from  the  higher  level  of  maintenance. XA-DO  not  requisition  an  “XA”  coded  item.  Order  its  next  higher  assembly. (Also,   refer   to   the   NOTE   below). XB-If  an  “XB”  item  is  not  available  from  salvage,  order  it  using  the  FSCM  and part  number  given. XC-Installation  drawing  diagram,  instruction   sheet,   field   service   drawing,   that is  identified  by  manufacturer’s  part  number. XD-Item  is  riot  stocked. Order  an  “XD”  coded  item  through  normal  supply channels  using  the  FSCM  and  part  number  given,  if  no  NSN  is  available. NOTE:   Cannibalization   or   controlled   exchange,   when  authorized,  may  be  used as  a  source  of  supply  for  items  with  the  above  source  codes,  except  for  those source   coded   “XA”   or   those   aircraft   support   items   restricted   by   requirements of  AR  700-42. (2)  Maintenance  Code. Maintenance  codes  tells  you  the  level(s)  of  mainte- nance  authorized  to  USE  and  REPAIR  support  items.  The  maintenance codes  are  entered  in  the  third  and  fourth  positions  of  the  SMR  Code as  follows: (a)  The  maintenance  code  entered  in  the  third  position  tells  you  the lowest  maintenance  level  authorized  to  remove,  replace,  and  use an item. The  maintenance  code  entered  in  the  third  position  will indicate  authorization  to  one  of  the  following  levels  of  mainte- nance. C o de Application/Explanation C -Crew  or  operator  maintenance  done  within  organizational or  aviation  unit  maintenance. O -Organizational  or  aviation  unit  category  can  remove, replace,  and  use  the  item. B -3







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