SECTION VII. ILLUSTRATED PARTS BREAKDOWN 7-1. MODEL      COVERED.       This    Illustrated    parts breakdown   covers   the   Model   DMC-AA,   diesel   engine driven,    skid    mounted    air    compressor    The    unit    is manufactured  by  Davey  Compressor  Company  (FSCM 16004), Cincinnati, Ohio 45242   Part number 83208 and 83209 are assigned Type I and Type II units respectively. 7-2. PARTS    THAT    ARE    LISTED.    In  general,  the assemblies and parts installed at the time the end items were    manufactured    are    listed    and    identified    in    this manual.    When  an  assembly  or  part  (including  vendor items),  which  is  different  from  the  original,  is  installed during repair, the  assembly  or  part  must  match  form,  fit and function.  Interchangeable and substitute assemblies and parts are not listed m this manual.  When a standard size  part  can  be  replaced  with  an  oversize  or  undersize part, the latter parts, showing sizes, are also listed. 7-3. LISTING   OF   SIMILAR   ASSEMBLIES.      When similar  assemblies  contain  approximately  51%  or  more of   identical   parts,   the   assemblies   are   combined   and listed as follows a. The assemblies are listed first followed by detail parts. b. A  part  common  to  all  assemblies  in  the  same quantity is listed once. c. A   part   common   to   all   assemblies   In   differing quantities is listed once for each quantity and identified to which assembly each listing pertains. d. Parts  peculiar  to  an  assembly  are  listed  once and identified to which assembly each pertains. 7-4. SYMBOLS    AND  ABBREVIATIONS.    Symbols and  abbreviations  used  in  the  MPL  are  in  accordance with Military Standard, MIL-STD-12, or are defined below (AP)  - This  abbreviation,  found  in  the  description column,  indicates  the  part  is  an  "attaching part" for the next higher assembly or part. AR - This abbreviation  stands  for "as  required" # This symbol, inserted flush right following a part number  in  the  MPL  for  Government  Furnished Equipment    (GFE)    and    Contractor    Furnished Equipment  (CFE),  means  that  detail  parts  are listed  In  a  separate  manual  Refer  to  "Related Publications"  paragraph  of  this  Introduction  for publication number, when applicable 7-5. FEDERAL SUPPLY CODES FOR MANUFACTURERS   (FSCM).      These   five   digit   code numbers are used to identify the actual manufacturer of vendor  Items  used  in  this  equipment  The  code  appears in  parentheses  in  the  Description  column  following  the description of the part involved The applicable codes are listed  below  The  prime  contractor’s  code  is  also  listed below   The   absence   of   a   manufacturer’s   code   in   the Description column of the MPL means that the part is the end item manufacturer’s part number or commercial off- the-shelf type items that should be ordered by complete description   The   following   codes   have   been   excerpted from   Cataloging   Handbook   H4-1   and   H4-2,    Federal Supply Code for Manufacturers CODE MANUFACTURER’S NAME AND ADDRESS 16004 Davey Compressor Company 11060 Kenwood Road Cincinnati, OH 45242 16166 Western Enterpnises 33672 Pin Oak Pky. Avon Lake, OH 44012 24617 General Motors Corp. 3044 Grand Blvd. W Detroit, MI 48202 25609 Dacor Corp. 161 Northfield Rd Northfield IL 60093 33538 Tescom Corp. 2600 Niagara Lane North, P 0 Box 1434 Minneapolis, MN  55441 7-1