Dixon® Dix-Lock™ Male Quick Disconnect Pneumatic End Coupler, Interchange, Series: N Series, 1-11 Nominal, Quick Disconnect Coupler x BSPT End Style, 1-1/2 in Hex, 1.85 in Length, 500 psi Pressure, -40 to 250°F, Steel, 1-1/2 in OD Dixon® Dix-Lock™ 4NBM8 N Series Interchange Male Quick Disconnect Pneumatic End Coupler, 1-11 Nominal, Quick Disconnect Coupler x BSPT, 500 psi Pressure, Steel