661831212 is listed in DICSA's technical catalogue under Fittings BW+ Series R13/R15 No Skive / SAE Flanges 3000/6000 PSI / 3000 PSI SAE 90° Flange.
Check the exact accessory reference, dimensions and installation arrangement for the intended assembly.
Source specifications: Material: Mild Steel.
Use the catalogue drawing and exact part reference to check connection geometry, hose or tube compatibility, and installation requirements.
