This list describes fome of the parts of the Balplan Microscope that may require replacement because of wear or loss during servicing operations. These parts are available from Bausch & Lomb.
| Part Description | Used On | Bausch & Lomb Part Number |
|---|---|---|
| Cap | Focus Adjust Knob | 31 01 50-194 |
| Hex nut, 0.216 x 28T | Focus Adjust Mechanism | 31 01 50-292 |
| Roll pin, I-35 | Focus Adjust Stop | 90 011-373 |
| Screws, 2-56T x 0.25 | Back Plate | 31 01 50-178 |
| Set Screw, 6-32T x 0.25 | Stage Stap | 31 01 50-205 |
| Lampholder | 31 32 14-188 | |
| Label, bulb data | Lampholder | B-214 |
| Attachment Screws | Base | 31 18 93-142 |
| Cap plug | Base | 31 01 51-109 |
| Bulb set screw, 4-40T x 3/4 | Base | 31 32 14-167 |
| Stop screw, 4-40T x 1 1/4 | Base | 31 32 14-221 |
| Foot | Base | 31 01 51-105 |
| Lamp-centering screw | Base | 31 32 14-151 |
| Screw | Substage Fork | 42 18 02-280 |
| Washer | Substage Fork | 42 18 02-164 |
| Washer | Substage Fork | 42 18 02-166 |
| Washer | Substage Fork | 90 008-244 |
| Set screw, 4-40T x 0.125 | Substage | 31 60 12-149 |
| Steel ball, 0.125 | Substage | 42 31 62-726 |
| Adjusting screw | Substage | 31 32 14-198 |
| Cap | Pointer | 31 18 14-141 |
| Lamp-holding spring | Pointer | 31 31 14-172 |
| Lamp(GE) | Pointer | 31 31 51-101 |
| Focus adjust screw | Pointer | 31 18 93-153 |
| Lens and mounting assembly | Pointer | 31 18 93-148 |
| Wire connector,LC-19 | Pointer | 71 49 01-555 |
| Screw,2-56T x 1/8 | Pointer Prism Cover | 31 18 93-135 |
| A Lens,10x | Eyepiece | 31 05 22-028 |
| BC Lens,10x | Eyepiece | 31 05 22-031 |
| A Lens,15x | Eyepiece | 31 15 62-025 |
| BC Lens,15x | Eyepiece | 31 15 62-028 |
| D Lens,15x | Eyepiece | 31 15 62-029 |
| Lock screw | Head | 31 18 79-144 |
| Screw for photo tube | Head | 42 12 28-114 |
| Cap for photo tube | Head | 42 12 28-137 |
| I.P.D. Hold-in screw,4-40T x 3/8 | Head | 42 12 28-188 |
| Nonfocusable eyepiece tube | Head | 31 18 77-022 |
| Spring clip | Head | 31 18 77-198 |
| Finger assembly, Left | Stage | 31 60 06-000 |
| Finger assembly, Right | Stage | 31 60 08-000 |
| Adapter,Right | I.P.D. Mechanism | 31 18 77-163 |
| Adapter,Left | I.P.D. Mechanism | 31 18 77-164 |