| CHARACTER DESIGNATION | LETTERS A TO Z |
| CHARACTER DESIGN | GOTHIC UPPERCASE LETTER |
| CHARACTER HEIGHT | 0.234 INCHES OR 0.266 INCHES |
| CHARACTER THICKNESS | 0.034 INCHES OR 0.044 INCHES |
| MATERIAL | LEAD CHARACTER |
| MOUNTING CHARACTERISTIC | MOUNTED |
| MOUNTING STRIP LENGTH | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM |
| MOUNTING STRIP WIDTH | 0.312 INCHES NOMINAL |
| NONDEFINITIVE SPEC/STD DATA | 1 SIZE AND A SET AND 3 CLASS |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | MARKER XRAY FILM ID GOTHIC UPPERCASE LETTERS A-Z |
| SUPPLEMENTARY FEATURES | REPLACEMENT FOR NSN 6525-00-608-0620 |