| Series | Mounting Threads |
Hex Size |
Probe or Tube Dia. |
Length Type "M" |
Type "C" |
| MPG | 1/8" NPT | 1/2" | .040 .062 .093 .125 .187 |
1 3/16" | 1 9/16" |
| PG | 1/4" NPT | 3/4" |
.125 .187 .250 |
2" | 2 3/8" |
| PG | 1/2" NPT | 1" | .250 .312 .375 |
2 1/2" | 3 1/4" |
| PG | 3/4" NPT | 1 1/4" 1 1/2" |
.500 .625 .750 |
2 7/8" | 3 5/8" |
PG-1/4 NPT-125-M-T
| PG | Gland Series |
| 1/4 NPT | Mounting thread size |
| 125 | Probe size in thousandths |
| M | Mounting threads only Cap threads also |
| T | Sealant code Grafoil Lava Neoprene Teflon Special |