NV5LT/NV3.5LT TROUBLESHOOTING MANUAL PARTS LISTSPAGE 4.2.2 VERSION 3.3 2016-03-10When the Reference Designation is Known: Refer to the family tree depicted in Figure 4.2.1 on page 4.2.7 and Figure 4.2.2 on page 4.2.8 withthe full reference designation. Follow the family tree branches to the block that represents the lowest level assembly assigned aNautel configuration control number. Then locate the part number index table for that Nautelconfiguration control number. Locate the part's reference designation in the specified table.Reference Designation ListsIndividual reference designation lists are provided for: assemblies that are assigned an alpha-prefixed Nautel nomenclature (e.g., NAA61B) cable harnesses that are assigned a numbered Nautel part (e.g., 219-8101-04) optional kits that are assigned a numbered Nautel partTo obtain the full reference designation for a specific part the Nautel configuration control number mustbe located in the family tree (Figure 4.2.1 on page 4.2.7 and Figure 4.2.2 on page 4.2.8) to include thereference designation of all higher level assemblies. The reference designation lists, which are titled andpresented in alphanumeric order, are divided into columns to aid in locating specific information.Column ContentThe following paragraphs provide an explanation of the purpose and contents of each column in thepart number indexes.Ref Des ColumnThe 'ref des' column contains the reference designation for a specific part. These designations areassigned in accordance with the requirements of American National Standard SpecificationANSI Y32.16.