... /NFT (famale thread)D (mm)QHF02-1/41/4”NPT22QHF02-3/83/8”NPT22QHF02-1/21/2”NPT22Quick ... compressed air,mechanical engineering,compressors.3.InterchangeabilityINDUSTRIAL INTERCHANGE 1/4 MIL-C-4109,FORSTER,CJEN,HANSEN 3000,GROMELLY ... 600,PARKER 30 1/4,RECTUS 23/24,ISO 6150 B4.Coupling Maximum ... seals):-20°C to +80°C Pneumatic Industry T Quick coupling hydraulic coupling