Metric Hydraulic Compression Tube Fittings
Metric Fine, National Pipe Thread (NPT), and SAE male thread with O-ring (O-ring boss). Thread Identification BSPP or Metric Thread Metal Seal BSPP or Metric Thread "ED" Rubber Seal BSPT Thread or Metric Taper Thread NPT Thread SAE Male Thread (O-ring boss) O-ring Seal ISO6149 Metric Thread O-ring Seal BSP Threads