Pin Lug Hose Shank couplings connect to hose with a hose shank and connect together with a threaded swivel nut that is included on the female side of the coupling. These couplings are designed to be used on low pressure suctions and discharge applications. The pin lugs make it easy to tighten by hand or with a spanner tool.
This is an aluminum 4″ male pin lug coupling. It has a 4″ hose shank on one side to connect to a 4″ ID hose. It has a male NPSH threads on the other side to connect to a 4″ female pin lug fitting.
Warning: These fittings should only be used in low pressure suction and discharge applications.