Female Shaft - 3/4 (Outer Diameter). "C" flange for SAE J609 A ext3 engines.VH Trapped Pressure Unloader Valve. Inlet - 1/2 BSP Female. 23B Solutions is a leading provider of industrial fluid pump systems and the related parts/accessories. We specialise in high pressure, high temperature, stainless steel, misting, electric, engine driven and hydraulically driven water based systems. This item is in the category "Business, Office & Industrial\Cleaning & Janitorial Supplies\Pressure Washers, Parts & Accessories\Pressure Washer Parts & Accessories\Other Pressure Washer Parts & Accessories". The seller is "23bsolutions" and is located in this country: GB. This item can be shipped worldwide.