| Part Number | NSN | Part Name | |
|---|---|---|---|
| UNASSEMBLED | 6540-00-381-0690 | Eye Examining Tangent Screen | Quote |
| ROLLER | 6540-00-381-0700 | Eye Examining Tangent Screen | Quote |
| HARTSHORN | 6540-01-313-0414 | Eye Examining Tangent Screen | Quote |
| 1388 R | 6540-01-358-0750 | Color Perception Testing Light | Quote |