TM 10-3930-611-24P 6. How to Locate Repair Parts. a. When    National    Stock    Number    or    Part Number Is Not Known: (1) First.      Using   the   table   of   contents, determine the assembly group or subassembly group to which  the  Item  belongs  This  is  necessary  since  figures are   prepared   for   assembly   groups   and   subassembly groups, and listings are divided into the same groups. (2) Second   Find   the   figure   covering   the assembly group or subassembly group to which the item belongs. (3) Third   Identify   the   item   on   the   figure and  use  the  Figure  and  Item  Number  Index  to  find  the NSN. b. When    National    Stock    Number    or    Part Number is Known: (1) First Using the National Stock Number or  Part  Number  Index,  find  the  pertinent  National  Stock Number  or  Part  Number  The  NSN  Index  Is  In  National Item Identification Number (NIIN) sequence (see paragraph 4 a (1)) The part numbers In the Part Number Index  are  listed  In  ascending   alphanumeric   sequence (see paragraph 4 b) Both indexes cross-reference you to the  illustration/figure  and  Item  number  of  the  Item  you are looking for. (2) Second   Turn   to   the   figure   and   item number, verify that the item is the one you’re looking for, then locate the item number In the repair parts list for the figure. 7. Abbreviations. For  standard  abbreviations  see  MIL-STD-12D,   Military Standard Abbreviations for Use on Drawings, Specificatlons, Standards, and in Technical Documents. Abbreviations Explanation NIIN ........................ National Item Identification Number (consists of the last 9 digits of the NSN) RPSTL.................... Repair Parts and Special Tools List 5

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