Apollo Bronze POP Safety Relief Valve, MNPT Inlet Type, FNPT Outlet Type - 523HGBKMAA0400 Nominal Size-24" X 1.5" The hook pin is 1/4

The hook pin is 1/4 of an inch in diameter and 1/2 of an inch in height and is attached to the hook's post with an included thread screw

Self-Latch Standard 2-Door for Laboratory Cabinet for Storing Flammables

Spring Material: Steel

The full unit is made of 22-gauge

Apollo Bronze POP Safety Relief Valve, MNPT Inlet Type, FNPT Outlet Type - 523HGBKMAA0400 Nominal Size-24" X 1.5" The hook pin is 1/4POP Safety Relief Valve; Body Material: Bronze; Inlet Type: MNPT; Outlet Type: FNPT; Inlet Size: 1 1 2 in; Outlet Size: 2 1 2 in; Factory Set Pressure: 400 psi; Pressure Range: 5 to 500 psi; Disc Material: 316 Stainless Steel; Overall Height: 15 in; Application: Air and Gas Compressors and Dryers, Pressure Vessels and Pressure Piping System etc; Seat Material: Metal; Spring Material: Stainless Steel; Temp. Range: 320 Degrees to 422 Degrees F; Test