TM 10-3510-208-20P SECTION I INTRODUCTION 1.  Scope. This    manual    lists    repair    parts,    special    tools,    test, measurement,  and  diagnostic  equipment  (TMDE),  and other   support   equipment   required   for   operation   and performance    of    organizational    maintenance    of    the Laundry Unit. 2.  General. a.   Section II Repair Parts List.  A list of repair parts     authorized     for     use     in     the     performance     of maintenance.  The list also includes parts which must be removed for replacement of the authorized parts.  Parts lists  are  composed  of  assembly  groups  in  ascending numerical sequence, with the parts in each group listed in figure and item number sequence.  Bulk materials are listed in NSN sequence, as the last group in Section II. b.   Section     III     Special     Tools     List.          (Not Applicable.  ) c.  Section IV National Stock Number and Part   Number   Index.      A   list,   in   ascending   numerical sequence,  of  all  National  Stock  Numbers  appearing  in the     listings,     followed     by     a     list,     in     alphanumeric sequence, of all part numbers appearing in the listings. National  Stock  Number  and  part  numbers  are  cross- referenced  to  each  illustration  figure  and  item  number appearance. 3.  Explanation of Columns. The following provides an explanation of columns found in the tabular listings:  a.  Illustration.  This column is divided as follows: (1)   Figure   Number.      Indicates   the   figure number of the illustration in which the item is shown. (2) Item  Number.    The  number  used  to identify each item called out in the illustration. b.   Source,   Maintenance,   and   Recoverability Codes (SMR). (1) Source    Code.        Source    codes    are assigned  to  support  items  to  indicate  the  manner  of acquiring   support   items   for   maintenance,   repair,   or overhaul of end items.  Source codes are entered in the first  and  second  positions  of  the  Uniform  SMR  Code format as follows: Code Definition PA Item procured and stocked for anticipated or known usage. PB Item procured and stocked for insurance purposes   because   essentially   dictates that a minimum quantity be available in the supply systems. PC Item  procured  and  stocked  and  which otherwise   would   be   coded   PA   except that it is deteriorate in nature. PD Support item, excluding support equipment,  procured  for  initial  issue  or outfitting and stocked only for subsequent or additional initial issues or outfitting.        Not    subject    to    automatic replenishment. PE Support equipment procured and stocked  for  initial  issue  or  outfitting  to specified maintenance repair activities. PF Support   equipment   which   will   not   be stocked    but    which    will    be    centrally procured on demand. 1-1