NPTF X NPTF X NPTF Excel Metal part no. Equivalent Part no. Type 1 Equivalent part no Type 2 NPT FEMALE PIPE SIZE P Ø E BODY HEX F L L1 1N-PFT ---------- 1-1-1 FT 1/16 0.24 19/32 1.70 0.85 2N-PFT -2-T 2-2-2FT 1/8 0.34 19/32 1.70 0.85 4N-PFT -4-T 4-4-4 FT 1/4 0.45 13/16 1.96 0.98 6N-PFT -6-T 6-6-6 FT 3/8 0.57 7/8 2.44 1.22 8N-PFT -8-T 8-8-8 FT 1/2 0.71 1-1/16 2.36 1.18 12N-PFT -12-T 12-12-12 FT 3/4 0.91 1-1/4 2.68 1.34 16N-PFT -16-T 16-16-16 FT 1 1.15 13/4 3.62 1.81 ISO TAPF X ISO TAPF X ISO TAPF Excel Metal part no. Equivalent Part no. Type 1 Equivalent part no Type 2 ISOT FEMALE PIPE SIZE P1 Ø E BODY HEX F L L1 4IT - PFT - 4 - T - RT ------------ 1/4-19 0.43 11/16 2.34 1.17 6IT - PFT - 6 - T -RT ------------ 3/8-19 0.57 13/16 2.84 1.42 8IT -PFT - 8 - T - RT ------------ 1/2-14 0.71 1 3.12 1.56