Back Home / Pipe & Tube Fittings / Steel Fittings / STEEL FITTING CAP 1″ SAE STEEL FITTING CAP 1″ SAE SKU: X4129X16 Categories: Pipe & Tube Fittings, Steel Fittings Seal-lok steel fittings. Very effective in wide range of applications where higher pressures, vibration and impulse are prevalent. Meet or exceed SAE J1453 and ISO 8434-3. Sealing method: o ring For use with 1″ o.d. tubing. Thread size is 1-7/16″-12. Case Quantity: 1 Log In For Pricing