A133020 is listed in DICSA's technical catalogue under Metric, BSP and BSPT Adaptors / Bonded seals / BSP Annealed Copper flat Plate.
Identify each connected end separately, including thread form and sealing interface; nominal thread size alone does not establish a compatible connection.
Source specifications: Port 1 thread: 1 1/4" BSP.
Use the catalogue drawing and exact part reference to check connection geometry, hose or tube compatibility, and installation requirements.
