(4) Fourth. Using the Repair Parts Listing, the figure and item number noted on the tration. When National Stock Number or Part Number nown: (1) First. Using the Index of National Stock ~bers and Part Numbers, find the pertinent lonal Stock Number or part number. This index ascending NSN sequence followed by a list of numbers in ascending alphanumeric sequence, s-referenced to the illustration figure number item number. (2) Second. After finding the figure and item number, locate the figure and item number in the repair parts list. 6. Reporting of Errors You can improve this manual by recommending improvements. Mail your comments direct to Commander, US Army Tank-Automotive Com- mand, ATTN: DRSTA-MTP, Warren, MI 48090, using DA Form 2028, (Recommended Changes to Publications and Blank Forms). A reply will be sent direct to you.