Hex Head Cap Screw, System of Measurement Metric, Basic Material Steel, Material Grade Class 8.8, Fastener Finish Plain, Dia./Thread Size M42-4.50, Fastener Length 200 mm, Fastener Thread Direction Right Hand, Fastener Thread Type Metric Coarse, Fastener Thread Style Partially Threaded, Fastener Industry Standards DIN 931, Head Type Hex, Min. Thread Length 96 mm, Head Height 26 mm, Head Width 65 mm
Safety Relief Valve, Body Material Bronze, Inlet Type MNPT, Outlet Type FNPT, Inlet Size 1 1/4 in, Outlet Size 1 1/2 in, Factory Set Pressure 15 psi, Disc Material Bronze, Overall Height 9 5/8 in, Application Steam, Overall Length 2 3/8 in, Seat Material Metal, Spring Material ASTM A-313 TY 631, Temp. Range -60 Degrees to 406 Degrees F, Test Lever Yes, Compliance Section I Steam