SECTION I TM 9-2520-238-34P 8 f. ASSOCIATED PUBLICATIONS. The publication(s) listed below pertains to the end item applications for the components in this manual: Publication Short Title TM 9-2300-257 Carrier, Personnel, Full Tracked, Armored; M113A1 Carrier, Command Post, Light Tracked, M577A1 Carrier, Mortar, 107mm, Self-Propelled; M106A1 Carrier, Mortar, 81mm, Self-Propelled; M125A1 Chassis, Gun, Anti-Aircraft Artillery, 20mm; M741 Combat Vehicle, Anti-tank, Improved Tow Vehicle; M901 TM 9-2350-257 Carrier, Cargo, Tracked, 6-Ton; M548 Carrier, Cargo, Tracked, 6-Ton; M548A1 TM 9-2350-259 Combat Vehicle, Anti-Tank, Improved Tow Vehicle; M901A1 TM 9-2350-261 Carrier, Personnel, Full Tracked, Armored; M113A2 Carrier, Command Post, Light Tracked, M577A2 Carrier, Mortar, 107mm, Self-Propelled; M106A2 Carrier, Mortar, 81mm, Self-Propelled; M125A2 Carrier, Mortar, 120mm, Self-Propelled; M1064 Chassis, Gun, Anti-Aircraft Artillery, 20mm; M741A1 Combat Vehicle, Anti-tank, Improved Tow Vehicle; M901A1 Carrier, Smoke Generator, Full Tracked; M1059 Carrier, Personnel, Full Tracked, Armored, Fire Support; M981 Carrier, Standardized Integrated Command Post System; M1068 TM 9-2350-277 Carrier, Personnel, Full Tracked, Armored; M113A3 Carrier, Command Post, Light Tracked; M577A3 Carrier, Anti-Tank (TOW), Full Tracked, Armored; M901A3 Carrier, Fire Support Personnel, Full Tracked, Armored; M981A3 Carrier, Smoke Generator, Full Tracked; M1059A3 Carrier, Mortar, 120mm, Self-Propelled; M1064A3 Carrier, Standardized Integrated Command Post System; M1068A3 Chassis, Mechanized Smoke Obscurant; M58 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.