D5720 ASME B1.20.1 CHARACTERISTICS Profile sketch Tool data ID D1 Ø d1 P 110188 NPT1 1/2 0.00 2.209 Product range D5720 NPT1 1/2 ID D1 Ø d1 P 110188 NPT1 1/2 0.00 2.209 110189 NPT1 1/4 0.00 2.209 110190 NPT1/16 0.00 0.941 110191 NPT1/2 0.00 1.814 110192 NPT1/4 0.00 1.411 110193 NPT1/8 0.00 0.941 110194 NPT1 0.00 2.209 110195 NPT2 0.00 2.209 110196 NPT3/4 0.00 1.814 110197 NPT3/8 0.00 1.411 110199 NPTF1/2 0.00 1.814 110200 NPTF1/4 0.00 1.411 110201 NPTF1/8 0.00 0.941 110202 NPTF1 0.00 2.209 110203 NPTF3/4 0.00 1.814 110204 NPTF3/8 0.00 1.411