TM 5-3805-255-20P SECTION I UNIT MAINTENANCE REPAIR PARTS AND SPECIAL TOOLS LIST 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 Maintenance of the     Loader,     Scoop     Type.          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   Ill.      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 Indexes.  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 figure   and   item    number   index   lists   figure   and   item numbers in alphanumeric sequence and cross- references NSN, FSCM or CAGE, and part numbers. 3.    Explanation of Columns (Sections II and Ill). 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, replace, Who can do complete or use 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. Change 1  1