TM 5-3810-290-24P UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE REPAIR PARTS AND SPECIAL TOOLS LISTS SECTION I.  INTRODUCTION 1.  Scope. This RPSTL lists and authorizes spares and repair parts; special tools; special test, measurement, and diagnostic equipment (TMDE); and other special support equipment required  for  performance  of  Unit,  Direct  Support,  and General   Support   Maintenance   of   the   Wheel-Mounted Crane.      It   authorizes   the   requisitioning,   issue,   and disposition  of  spares,  repair  parts  and  special  tools  as indicated by the source, maintenance and recoverability (SMR) codes. 2.  General. In  addition  to  Section  I.    Introduction,  this  Repair  Parts and   Special   Tools   List   is   divided   into   the   following sections: a. Section  II.    Repair  Parts  List.    A  list  of  spares and repair parts authorized by this RPSTL 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 functional groups  in  ascending  alphanumeric  sequence,  with  the parts  in  each  group  listed  in  ascending  figure  and  item number   sequence.      Bulk   materials   are   listed   in   item name sequence.  Repair kits are listed separately in their own functional group within Section II.   Repair  parts  for reparable  special  tools  are  also  listed   in   the   section. Items listed are shown on the associated illustration(s)/figure(s). b. Section III.  Special Tools List.  A list of special tools,     special     TMDE,     and     other     special     support equipment  authorized  by  this  RPSTL  (as  indicated  by Basis of Issue (BOI) information in DESCRIPTION AND USABLE   ON   CODE   column)   for   the   performance   of maintenance. c. Section  IV  Cross-reference  lndexes.    A  list,  in National Item Identification Number (NIIN) sequence, of all   National   stock   numbered   items   appearing   in   the listing, followed by a list in alphanumeric sequence of all part  numbers  appearing  in  the  listings.    National  stock numbers and part numbers are cross-referenced to each illustration/figure and item number appearance.  The fig ure and item number index lists figure and item numbers in  alphanumeric  sequence  and  cross-references  NSN, CAGE, and part numbers. 3.  Explanation of Columns (Sections II and III). a. ITEM NO.  (Column (1)).  Indicates the number used to identify items called out in the illustration. b. SMR    CODE    (Column    (2)).        The    Source, Maintenance,   and   Recoverability   (SMR)   code   is   a   5- position code containing supply/requisitioning information, maintenance category authorization criteria, and  disposition  instructions,  as  shown  in  the  following breakout: Source Code 1st two positions XXxxx How you get an item Maintenance Code xxXXx 3d position 4th position Who can install, Who can replace, or use do complete the item repair* on the item Recoverability Code xxxxX 5th position Who determines disposition action on an unserviceable item *Complete Repair: Maintenance capacity, capability, and authority  to  perform  all  corrective  maintenance  tasks  of the "Repair" function in a use/user environment in order to restore serviceability to a failed item. (1) Source Code.   The  source  code  tells  you how  to  get  an  item  needed  for  maintenance,  repair,  or overhaul   of   an   end   item/equipment.      Explanations   of source codes follows: 1