Legris 9415A06 14 Nylon & Nickel-Plated Brass Tube Fitting, Aro 210, Coupler, 1/4" Female NPT Coupler for connecting hose to a plug Connects to a male NPT threaded connection on one end and a quick-acting plug on the other Nickel-plated brass body base for corrosion resistance, ductility at high temperatures, and low magnetic permeability with a nylon outer body for lightweight, resistance to abrasion, crushing, and cracking NBR seal for resistance to compression set, abrasion, tearing, solvents, and oil ARO 210 profile