Dixon® Dix-Lock™ Male Quick Disconnect Pneumatic End Plug, Interchange Safety-Lock, Series: N Series, 1/2-14 Nominal, Quick Disconnect Plug x BSPT End Style, 1-3/16 in Hex, 3.65 in Length, 500 psi Pressure, -40 to 250°F, Steel, 1.31 in OD Dixon® Dix-Lock™ N4BM4-LS N Series Interchange Safety-Lock Male Quick Disconnect Pneumatic End Plug, 1/2-14 Nominal, Quick Disconnect Plug x BSPT