
Y R Application: NUT X Steam, Gas and Water Pipes L IC BSPT (BRITISH STANDARD TAPERED THREAD) FULL PROFILE (BS 21-1957) Designation Thread Type Hand Insert Type IC (inch) TPI L (inch) R (inch) X (inch) Y (inch) Grade 16IRM11BSPT 11 0.011 0.043 0.059 INTERNAL 16IRM14BSPT 14 0.008 0.039 0.047 RIGHT M TYPE 0.375 0.630 TT5080 16ERM11BSPT 11 0.011 0.043 0.059 EXTERNAL 16ERM14BSPT 14 0.008 0.039 0.047 Y R Application: NUT X Steam, Gas and Water Pipes L IC NPT (NATIONAL PIPE TAPERED THREAD) FULL PROFILE (ANSI/ASME B1.20.1-1983) Designation Thread Type Hand Insert Type IC (inch) TPI L (inch) R (inch) X (inch) Y (inch) Grade 16IRM8NPT 8 0.006 0.047 0.071 16IRM11.5NPT INTERNAL 11.5 0.004 0.043 0.059 16IRM14NPT RIGHT M TYPE 0.375 14 0.630 0.002 0.035 0.047 TT5080 16ERM11.5NPT 11.5 0.004 0.043 0.059 EXTERNAL 16ERM14NPT 14 0.002 0.035 0.047 229