TM 1-1520-238-23 B-196 Change 4 Tool or Test Equipment Reference Code Tool Number National Stock Number Nomenclature Maintenance Level 307 O Socket, socket wrench, 1 13/16 x 3/4-inch drive 5120-00-199-7768 A-A-1394 308 O Socket, socket wrench, 1 1/4 x 1/2-inch drive 5120-00-189-7917 A-A-1399 309 O Socket, socket wrench, 1 1/4 x 3/4-inch drive 5120-00-235-5871 A-A-1394 310 O Socket, socket wrench, 1 1/8 x 1/2-inch drive 5120-00-189-7914 A-A-1399 311 O Socket, socket wrench, 13/16 x 1/2-inch drive 5120-00-935-7423 A-26 312 O Socket, socket wrench, 1 3/4 x 3/4-inch drive 5120-00-199-7767 A-A-1394 312A O Socket, socket wrench, 1 3/4 x 3/4-inch drive 5120-01-378-5400 LDH562 313 O Socket, socket wrench, 1 3/8 x 3/4-inch drive 5120-00-189-7930 A-A-1394 314 O Socket, socket wrench, 1 5/16 x 3/4-inch drive 5120-00-232-5681 A-A-1394 315 O Socket, socket wrench, 1 7/16 x 1/2-inch drive 5120-00-189-7931 A-A-1399 315A O Socket, socket wrench, 5/8 x 1/2-inch drive 5120-00-935-7447 A-A-1397 316 O Socket, socket wrench, 9/16 x 1/2-inch drive 5120-00-935-7420 A-18 317 O Socket, wrench, face spanner, nose gearbox shaft locknut 5120-01-314-7145 T-114095 318 O Socket set, locknut 5120-01-344-2644 140079 319 O Socket wrench, face spanner 5120-01-339-1841 140012-1 320 O Socket wrench attachment, screwdriver, hi-torque, 1/4-inch 5130-01-009-1219 HTS-3