as appropriate to indicate the total range of repair parts authorized for use at that category or required to be removed or disassembled during the per- formance of authorized maintenance operations. They will be requisitioned initially on an “as required” basis. The repair parts authorized at the DS / GS levels will be those authorized for the maintenance mission at these levels. Requirements for repair parts stockage and for distribution to support units will be based on demand and determined in accordance with AR 710-2. (2) Special Tools or Test, Measurement and Diagnostic Equipment (TMDE) and other support equipment peculiar to an item are listed with quantities in the appropriate density spread / allowance columns. g. 1-Year Allowances per 100 Equip- ments / Contingency Planning Purposes, Column 8. This column indicates the requirement for contingency planning purposes. An asterisk (*) indicates authorization to obtain or use as required. h. Depot Maintenance Allowances per 100 Equipments, Column 9. This column indicates authorization for depot use. i. Illustrations, Column 10. This column is divided as follows: (1) Figure Number, Subcolumn (a). Indicates the figure number of the illustration in which the item is shown. (2) Item Number, Subcolumn (b). Indicates the callout number used to reference the item in the illustration. 4. Special Information a. Identifications of the usable on codes included in Column 3 of this publication are: Code A B C D E F G H J K L M N P R S Used On Serial No’s 1001 through 5968 2938 and up 1001 through 2937 1001 through 6535 6536 and up 1001 through 5864 5865 and up 6550 and up 1001 through 6550 6551 and up 1001 through 2515 2516 through 5864 2865 and up 2516 and up 5865 through 6570 6571 and up Uncoded items are applicable to all models. b. Bulk materials required to manufacture items are listed in the Bulk Materials Group of this manual. c. Parts which require manufacture or assembly at a category higher than that authorized for in- stallation will indicate in the source column the higher category. d. The following publications pertain to the Engine and components. TM 9-2910-226-35 Direct Support, General Support and Depot Maintenance Manual (including repair parts and special tools lists) for Pump, Fuel, Metering and Dis- tribution (2910-017- 9778 and 2910-759- 5410) American Bosch Model PSB6A. TM 9-2990-201-45 General Support and Depot Maintenance Manual (including repair parts and special tools lists) for tur- bocharger, engine (2990-074-8930, Sch- witzer Model 4-456), (2990-974-7583, Sch- witzer Model 4D-554), (2990-967-9909, Sch- witzer Model 4D- 454C), (2990-999- 2275, Schwitzer Model 4LE-354,), and (29501178-1245, Sch- witzer Model 4LE- 456). TM 9-2920-247-34 Direct Support, General Support, (including repair parts and special tool lists) for Generator Assembly (2920-903- 9534, Prestolite Model GHA-4804-JUT). TM 9-2920-214-35 Direct Support, General Support and Depot Maintenance Manual (including repair parts and special tool list) for Generator Assembly (2920-735-5736, Delco-Remy Model 1117495. TM 9-2920-236-35 Direct Support, General Support and Depot Maintenance Manual (including direct support, general support and depot maintenance repair parts list) for Starter, 5