TM10-5411-200-24P TO35E4-177-4 UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE REPAIR PARTS AND SPECIAL TOOLS LIST SHELTER,  TACTICAL, EXPANSABLE,  TWO-SIDED (NSN 5411-01-136-9838) Section I. 1.  Scope.  This   joint   Army,   Navy,   Air Force and Marine Corps manual lists repair parts  and  special  tools  required  for  the p e r f o r m a n c e    o f organizational, intermediate  (field),  direct  and  general support   maintenance   of   the   expandable tactical  shelter.  The  following  paragraphs are  keyed  to  applicable  users.  All  users should   read   paragraph   4,   Special Information, prior to using this manual. NOTE:   (Army)   Repair   parts   listed represent   those   authorized   for   use   at indicated  maintenance  levels  and  will  be requisitioned   on   an   “as   required”   basis until  stockage  is  justified  by  demand  in accordance with AR 710-2. NOTE:  (Army)  Organizational  Mainte- nance   personnel   are   to   extract   the maintenance  coded  -O-  items  they  require from  Section  II,  Column  (2),  Third  and  or Fourth Position of the Direct and General Support  Repair  Parts  and  Special  Tools List. 2.  General. This  Repair  Parts  and Special   Tools   List   is   divided   into   the following     sections: a. (ALL) Repair Parts -- Section II A list   of   repair   parts   authorized   for   the performance   of   maintenance   at   the organizational,   intermediate   (field), direct  support,  general  support  in  figure and  item  number  sequence. b.   (ALL)   Special   Tools.   Test   and Support Equipment -- Section III. A list of special  tools,  test  and  support  equipment authorized   for   the   performance   of maintenance   at   the   organizational, intermediate   (field),   (direct   support   and general   support). INTRODUCTION c.   National   Stock   Number   and Reference  Number  Index  --  Section  IV.  A list of National stock numbers in numerical sequence,  followed  by  a  list  of  reference numbers  appearing  in  all  the  listings  in alphanumeric  sequence,  cross-referenced  to the  illustration  figure  number  and  item n u m b e r . 3.  Explanation   of   columns. The following   provides   an   explanation   of columns in the tabular lists in Sections II and  III. a.   (ALL)   Illustrations.   (Column   1.) This column is divided as follows: (1)   Figure   Number.   Indicates   the figure number of the illustration on which the item is shown. (2)   Item   Number.   Indicates   the number  used  to  identify  the  item  on  the illustration. b.  (ALL)  Source,  Maintenance,  and Recoverability Codes (SMR) (Column 2.) (1)   Uniform   Source   Codes   appli- cable to all Military Services. GENERAL:  Source  Codes  are  assigned  to support  items  to  indicate  the  manner  of accounting 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. 1