AN-4 18 In. Long Stainless Steel Braid Teflon Hose/red straights NC AN-4 JIC 37 swivel nut flare (Concave Seat) 7/16-20 thread each hose end. Assembly Measures From The Outside Edge of One Fitting To The Outside Edge Of The Other Fitting (-0.0 +0.40) These hose assemblies are commonly used for nitrous oxide, fuel, oil, hydraulic, brake, air, and pressure gauge lines. Stainless Steel Braided PTFE (Teflon) Hose is unaffected by almost every chemical. It is non aging and has a temperature rating of -65 F To +450 F continuous. -4 hose has a working pressure of 3,000 psi and a burst pressure of 12,000 psi. The minimum bend radius is 2 inches. Average I.D. is .187, O.D. is .312. Meets or exceeds 100R14 Spec. End Material: Red Permanent Ends. Call Us With Questions On Other lengths, or Variations We Can Make For You, 714-969-0775