Thread Size: M75 X 1.5
Inch - Metric: Metric
Outside Diameter - Inch: 3.937
Outside Diameter - Millimeter: 100
Other Features: Precision | Three M8 Locking Pins

Nominal Thickness - Inch: 1.024
Nominal Thickness - Millimeter: 26

Thread Size: M70 X 2
Inch - Metric: Metric
Outside Diameter - Inch: 3.937
Outside Diameter - Millimeter: 100
Other Features: Precision | Three M8 Locking Pins | With Two Diametrically Opposed Flats to Take Spanner

Nominal Thickness - Inch: 1.102
Nominal Thickness - Millimeter: 28