McMaster 3023T91 Snug Hold Threaded Rod Mount Clamping Hanger, 304 Stainless Steel, 4 1 2" ID 43539 Mechanical Maximum Operating Pressure 700 Mechanical Maximum Operating Pressure 700 psi @ 200 Degrees F Material Copper Tube Form Coil Minimum Operating Temperature 100 Degrees F Material Grade C12200 Accessory Type Ground Rod Sleeve Corrosion Resistant Specifications Met ANSI MSS SP 58 Type 12 Threaded Rod Included No Country of Origin China DFARS Compliance Specialty Metals COTS Exempt ECCN EAR99 REACH Compliance Not Compliant RoHS Compliance RoHS 3 (2015 863 EU) Compliant Schedule B Number 732690 Bottom Military Specification Fed