TM 55-1520-240-23-11 TOOL  AND  TEST  EQUIPMENT  REQUIREMENTS NOMENCLATURE OF END ITEMS CH-47D HELICOPTER TOOL OR  TEST EQUIPMENT REFER- ENCE CODE MAINT. CAT. NOMENCLATURE NATIONAL/NATO STOCK NUMBER TOOL NUMBER T227.1 Deleted T228 AVUM Pump, Siphon T229 AVIM Reamer, 1.876 to 1.877 Inch T229.1 Deleted T230 AVUM Repair Tool, Pneumatic T231 AVUM/ Scale, 0 to 100 Pounds AVIM T232 AVUM Screwdriver, Torque 0-30 Inch-Pounds T233 AVIM Scale, Dial Indicating 0 to 0.5 Inch T234 AVUM Screwdriver, Torque 0-50 Inch-Pounds T235 AVIM Shop Set, Hydraulic 4920-00-165-1454 SC492099CLA9LHYA T236 AVIM Shop Set, Electrical and Instrument 4920-00-165-1453 SC492099CLA91ELA T237 AVIM Shop Set, Machine 4920-00-405-9279 SC492099CLA91MAA T238 AVIM Shop Set, Power Train 4920-00-001-4132 SC492099CLAMTAM T239 AVIM Shop Set, Sheet Metal 4920-00-166-5505 SC492099CLA91SMA T240 AVIM Shop Set, Turbine Engine 4920-00-224-3684 SC492099CLA91ENT T241 AVIM Shop Set, Welding 4920-00-163-5093 SC492099CLA91WEA T242 AVIM Shop Set, Tool Crib 4920-00-472-4183 AC492099CLA91TCA T243 AVUM Socket, 1-3/16 Inch T244 AVUM Socket, 1-1/2 Inch T245 AVUM/ Socket, 2-1/8 Inch AVIM T245.1 AVUM Support Fixture 4920-00-939-1521 ST91717 T246 AVUM Strap, Tiedown 1670-00-622-3632 SP-4435-2 T247 AVUM Support, Guide SLT600T9 T248 AVIM Test Set 4940-01-048-9677 T249 AVIM Test Set, Resistance 6625-00-5422-1331 AN/GSM-6 T250 AVUM Tester Squib 4925-00-973-3759 MOD115 T251 AVUM Deleted T252 AVIM Test Set Dielectric HYP0T1404 T253 AVUM Test Set, Synchro 4920-00-556-8108 TTU-33/E T254 AVUM Test Set, Tach 4920-00-621-2427 TTU-27/E T255 Deleted B-90 Change 1