HI Thread Insert Thread Insert HI British Standard Pipe Thread (BSPT) (M Chip Breaker) National Pipe Thread (NPT) (M Chip Breaker) Pitch Dimensions Pitch Dimensions CDCL Designation Designation(Right)(Left)(tpi) d L hmin x f Picture CD CL Designation Designation(Right)(Left)(tpi) d L hmin x f Picture ERM 16-14BSPT 14 9.525 16 1.16 1.0 1.2 f ERM 16-14NPT 14 9.525 16 1.33 0.9 1.2 f 16-11BSPT03 11 9.525 16 1.48 1.1 1.5 X R 0.137P Internal55° 16-11.5NPT 11.5 9.525 16 1.64 1.1 1.5 X03 c c 16-8NPT 8 9.525 16 2.42 1.3 1.8 CD t CD / h / X t X L±J R 0.137P LUExternal ii d d Pitch Dimensions Pitch Dimensions CDCL Designation Designation(Right)(Left)(tpi) d L hmin x f Picture .CD CL> Designation(Right) Designation(Left) (tpi) d L hmin x f Picture IRM 16-14BSPT 14 9.525 16 1.16 1.0 1.2 IRM 16-14NPT 14 9.525 16 1.33 0.9 1.2 f 16-11BSPT03 11 9.525 16 1.48 1.1 1.5 R 0.137P Internal55° 16-11.5NPT 11.5 9.525 16 1.64 1.1 1.503 c c 16-8NPT 8 9.525 16 2.42 1.3 1.8 CD t CD h X t X LU R 0.137P LU External 039 040 British Standard Pipe Thread (BSPT) (U Chip Breaker) National Pipe Thread (NPT) (U Chip Breaker) Pitch Dimensions Pitch Dimensions CDCL Designation Designation(Right)(Left)(tpi) d L hmin x f Picture CD CL Designation Designation(Right)(Left)(tpi) d L hmin x f Picture ERU 16-14BSPT 14 9.525 16 1.16 1.0 1.2 ERU 16-14NPT 14 9.525 16 1.33 0.9 1.2 16-11BSPT x- r119.525161.481.11.5 R0.137P Internal 16-11.5NPT 11.5 9.525 16 1.64 1.1 1.5 03 27.5° 27.5° 03 c c 16-8NPT 8 9.525 16 2.42 1.3 1.8 CD CD X hT X LU ^90 \ -T47' 7 R0.137PExternal LU Pitch Dimensions Pitch Dimensions Q CD. Designation Designation Picture Q CD. Designation Designation Picture (Right) (Left) (tpi) d L hmin x f (Right) (Left) (tpi) d L hmin x f IRU 16-14BSPT 14 9.525 16 1.16 1.0 1.2 IRU 16-14NPT 14 9.525 16 1.33 0.9 1.2 16-11BSPT 11 9.525 16 1.48 1.1 1.5 r -X R0.137P Internal 16-11.5NPT 11.5 9.525 16 1.64 1.1 1.5 03 27.5° 27.5° 03 c c 16-8NPT 8 9.525 16 2.42 1.3 1.8 CD CD h X t X LU ^90 \ f47' 7 R0.137PExternal LU