(1) (2) (3) (4) (5) Reference Code Maintenance Level Nomenclature NSN Tool Number 22 F, H, D        Gage assembly,  compression (used with     4910-00-870-6283 10899180 adapter 4910-00-795-7961) 23 H, D Inserter,  screw thread (7/16-20) 5120-00-797-2407 MIL-T-21309 24 F, H, D Gage,  fan rotor,  checking erosion 5120-01-099-1477 12275775 25 H, D Gage,  piston ring,  checking piston top 5220-01-084-1230 12254296 ring groove 26 D Gage,  ring,  plain (0.010 or 0.030 oversize) 5209-01-005-3003 10912589-1 27 H, D Gage,  ring,  plain (standard and 0.020 5220-00-988-8774 10912589 oversize) 28            H, D         Gage,  ring,  plain (standard or 0.040         5220-01-005-3002       10912589-2 oversize) 29 H, D Inserter,  screw thread (1/2-20) 5120-00-672-8897 8761582 30 H, D Inserter,  screw thread (3/8-24) 5120-00-710-7437 8375324 31 H, D Inserter,  screw thread (5/16-24) 5120-00-797-2405 3552-5 32 H, D Lifter assembly,  valve spring (used with 5120-00-678-5285 8761535 stand 4910-00-554-1317) 33          O, F, H, D      Parts kit,  steering clutch housing output     2590-00-330-8642        8708831 shaft 34             H, D         Pin,  hollow (for loading low-range           5315-00-098-6736         8390006 planetary carrier pinion gear spindle rollers or alining low-range planetary carrier pinion gear thrust washers and spindle rollers) 35             H, D         Pin,  hollow (for loading reverse-range       5315-00-098-6737         8390007 planetary carrier pinion gear spindle rollers or alining reverse-range planetary carrier pinion gear thrust washers and spindle rollers) 36             H, D         Pin,  straight,  threaded (for alining input     5315-00-098-6733       8390002 scavenger oil pump assembly to torque converter housing) 37             H, D         Pin,  straight,  threaded (for alining lockup    5315-00-333-6081       8708909 clutch housing assembly to converter pump) 38 H, D Pliers,  retaining ring,  fan drive shaft 5120-00-752-9755 WT28163 39 H, D Proctor,  crankcase 4910-00-785-7951 10882790 40 H, D Puller attachment,  mechanical,  reverse 5120-00-473-7352 7082201 range planetary carrier pinion gear spindle or input scavenger pump (used with adapter 5120-00-708-2774) 41            F, H, D         Puller,  adapter,  output reduction           5120-00-534-7830         5347830 planetary carrier (used with puller 5120-00-423-1596) 42 H, D Puller,  mechanical,  camshaft drive quill 5120-00-678-5282 8761297 43 H, D Puller,  mechanical,  exhaust valve guide 5120-00-448-0401 10882954 B-27