6. How To Locate Repair Parts

TM 1-1520-238-23P 7 d. KITS. Line item entries for repair parts kits appear in a group in Section II (see table of contents). e. INDEX NUMBERS. Items which have the word BULK in the figure column will have an index number shown in the item number column. This index number is a cross-reference between the National Stock Number/Part Number Index and the bulk material list in Section II. f. ASSOCIATED PUBLICATIONS. The publication(s) listed below pertain to the AH-64A Advanced Attack Helicopter and its components. Publication Short Title TM 1-1520-238-23 AVUM and AVIM Maintenance, AH-64A Advanced Attack Helicopter g. ILLUSTRATIONS – LISTING. Higher-category RPSTL illustrations are not applicable. 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 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 4a(1)). The part numbers in the Part Number index are listed in ascending alphanumeric sequence (see 4b). Both indexes cross-reference you to the illustration/figure and item number of the item you are looking for. (2) Second. Turn to figure and item number, verify that the item is the one you are looking for, then locate the item number in the repair parts list for the figure. 7. Abbreviations. Abbreviations Explanation AAB AFT Avionics Bay AAH AH-64A Advanced Attack Helicopter ADP Air Data Processor APU Auxiliary Power Unit ASE Automatic Stabilization Equipment AVIM Direct Support or Aviation Intermediate Maintenance Repair Parts and Special Tools List AVUM Organizational or Aviation Intermediate Maintenance Repair Parts and Special Tools List