Vermont Gage 141113130 Class X Go Pin Gauge, Go (Plus), Inch, 0.1313 in Dia, 0.00004 in Tolerance M14A 11 Pipe Fitting Connection Type 11 Pipe Fitting Connection Type Male NPT x Female NPT Pipe Fitting Schedule Class Class 3000 Connection Type Threaded Pressure Level High Pressure (1000 3000 psi) Class Pressure Class 3000 Fitting Side A Type NPT Includes Seal No Pipe Fitting Material & Grade 316 Stainless Steel Fitting Side A Gender Male Material Grade 316 Fitting Shape Bushing Pipe Fitting Gender Male Female Class Class 3000 Fitting Side B Gender Female Fitting Side B Pipe Threading 11 1 2 Gender Female Not for Lifting Use as Masters to Calibrate Measuring Equipment or to Gage Parts Directly Includes Certificate of Accuracy Meets Exceeds ISO 17025 Included Certification Certificate of Accuracy with NIST Traceability Tolerance Class X Long Form Calibration Certificate No Gauge Type Go (Plus) Hardness RC 60 65 Surface Finish 4 Microinch or Better Standards ISO 17025 Chrome Plated Tolerance 0