McMaster 4830K175 Standard Wall 304 304L Stainless Steel Pipe Nipple, Threaded on Both Ends, 1 2 NPT, 3" Long G708041159 100 Grade B Pressure Gauge 100 Grade B Pressure Gauge Type Fire Sprinkler System Gauge Freeze Resistant Movement No Movement Material Polyester Pointer Material Aluminum Lens Material Gauge Plastic Pressure Range Type Pressure Case Construction ABS Plastic Primary Scale Units psi Process Connection Location Bottom Accuracy Scale Mid Scale Compatible Process Media Air defined heel Standard wall 304 304L stainless steel pipe nipple threaded on both ends Material 304 304L Stainless Steel Pipe Size 1 2 Length 3" Pressure Rating Low Pressure Wall Thickness Rating Standard (Schedule 40) Shape Straight Fitting Type Pipe Threading Threaded on Both Ends Fitting Connection NPT Male Construction Welded Connects To Pipe Country of Origin United States DFARS Compliance Specialty Metals COTS Exempt ECCN EAR99 Schedule B Number 730729