Cap Application Potable Water Compatible Copper Tube Size 1/4 in Compatible Tube Outer Diameter 3/8 in Fitting Connection Type Cup Fitting Material Wrot Copper Maximum Operating Pressure 912 psi @ 100 Degrees F Maximum Operating Temperature 400 Degrees F Specific Fitting Shape Cap Precleaned Not Pre-Cleaned Standards ASME B1.20.1 ASME B16.15 ASME B16.18 ASME B16.22 ASME B16.24 ASME B16.50 NSF/ANSI 61 Annex G Minimum Operating Temperature 20 Degrees F Overall Length 13/32 in