 | Metal Disk 1.250 x .005" T NPCRS |  | MD1250 | |
 | Metal Disk 0.250" Dia. x 0.005" T Ni 201 |  | MD250 | |
 | Metal Disk 0.435 x .005" T Ni 201 |  | MD435N | |
 | Metal Disk 0.465" x 0.005" T Ni201 |  | MD475 | |
 | Metal Disk 0.540 x .005" T Ni201.Y/LB 1568 .620" |  | MD540 | |
 | Metal Disk 0.600 (Actual .614" diameter) x .005" T Ni201 |  | MD600N | |
 | Metal Disk 0.650 x .005" T NPCRS |  | MD650 | |
 | Metal Disk 0.875 x .005" T NPCRSTolerance + or- 0.015 |  | MD875 | |
 | Metal Disk 0.890 x .005" T NPCRS |  | MD890 | |
 | Metal Disk 0.990 x .005" T NPCRS |  | MD990 | |
| |