TM 9-2815-225-34&P APPENDIX B DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE REPAIR PARTS AND SPECIAL TOOLS LIST Section I.  INTRODUCTION B-1.  Scope. This Repair Parts and Special Tools List (RPSTL) lists and authorizes spares and repair parts; special tools; Test, Measurement, and Diagnostic Equipment (TMDE); and other special support equipment required for performance of direct support, and general support maintenance of the NTC-400 Cummins Big Cam I and Big Cam III engines.  It authorizes the requisitioning, issue, and disposition of spares, repair parts, and special tools as indicated by the Source, Maintenance, and Recoverability (SMR) codes. B-2.  General. This RPSTL is divided into the following sections: a. Section II.  Repair Parts List.  A list of spares and 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 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 parts kits are listed separately in their own functional group within section II.  Repair parts for reparable special tools are also listed in this 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.  National Stock Number and Part Number Index.  A list, in ascending National Item Identification Number (NIIN) (last  nine  numerals)  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. B-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  instruction,  as  shown  in  the  following breakout: Source Maintenance Recoverability Code Code Code XX 1st two XX X 5th position positions How you get an item. 3d position 4th position Who determines disposition action on an unservice- Who can install, Who can do able item. replace or use complete repair the item. on the 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. B-1