TM 5-6115-596-24P When the unit of measure differs from the unit of issue the lowest unit of issue that will satisfy the required unit of measure will be requisitioned. h. Quantity Incorporated in Unit.  Indicates the quantity  of  the  item  used  in  the  breakout  shown  on  the illustration   figure,   which   is   prepared   for   a   functional group,   subfunctional   group,   or   an   assembly.      A   "V" appearing  in  this  column  indicates  in  lieu  of  a  quantity indicates  that  no  specific  quantity  is  applicable,  (e.g., shims, spacers, etc). 4. Special Information. a. Bulk    materials    required    to    manufacture items   are   listed   in   the   Bulk   Material   Group   of   this manual. b. Detailed    assembly    instructions    for    items source coded to be assembled are found in TM  5-6115-596-14.    Assembly  components  are  listed immediately following the item to be assembled. c. Repair parts kits appear as the last entries in the repair parts listing for the figure in which its parts are listed as repair parts. d. The following publications refer to generator set: TM 5-6115-596-14 Generator Set, Gasoline Driven, 28V, D.C. TM 5-2805-203-14 Engine, Gasoline e. USABLE  ON  CODE.    The  usable  on  code appears   in   the   lower   right   corner   of   the   Description column (6) heading.  Usable on codes appear on the first line  of  the  applicable  item  description/nomenclature  in the  Description  column.    Identification  of  the  usable  on codes used in this manual are: Code Used on A Generator Sets, serial numbers 923- 001 thru 923-553 B Generator     Sets,     serial     numbers 929001 thru 929-290 5. How to Locate Repair Parts. a. When    National    Stock    Number    or    Part Number is Unknown: (1) First.      Using   the   table   of   contents, determine  the  functional  group  within  which  the  item belongs.      This   is   necessary   since   illustrations   are prepared  for  functional  groups  and  listings  are  divided into the same groups. (2) Second.    Find  the  illustration  covering the functional group to which the item belongs. (3) Third.          Identify     the     item     on     the illustration   and   note   the   illustration   figure   and   item number of the repair part. (4) Fourth.    Using  the  Repair  Parts  Listing, find the figure and item number noted on the illustration. b. When    National    Stock    Number    or    Part Number is Known: (1) First.  Using the index of National Stock Numbers and Part Numbers, find the pertinent National stock  number  or  part  number.    This  index  is  in  NIIN sequence    followed    by    a    list    of    part    numbers    in alphanumeric sequence, cross-referenced to the illustration figure number and item number. (2) Second.      After   finding   the   figure   and item  number,  locate  the  figure  and  item  number  in  the repair parts list. 6. Abbreviations.  (Not Applicable). Change 2  5