Pressure Test Plug Series STP-LF Body Material Lead Free Brass Maximum Operating Temperature 302 Degrees F Maximum Pressure 1 000 psi Overall Length 1.5 in Cap Material Brass Insertion Length 0.693 in Manufacturers Warranty Length 5 yr Minimum Operating Temperature -40 Degrees F NSF Certified Yes Process Connection Size 1/2 in Process Connection Type NPT Standards ASME B1.20.1 Compliant CRN Registered Wetted Parts Buna-N