3400F Brass Male NPT x Female NPT 90° Elbow Forged Check Part Number A NPT A1 NPT N N1 D D1 Y WORKING PRESSURE 3400F-02-02 1/8-27 1/8-27 .86 .61 .22 .31 .63 2459 psi 3400F-04-04 1/4-18 1/4-18 1.22 .91 .28 .40 .81 2113 psi 3400F-04-06 1/4-18 3/8-18 1.13 .66 .31 .56 .88 2113 psi 3400F-06-02 3/8-18 1/8-27 .91 .78 .31 .31 .47 2700 psi 3400F-06-06 3/8-18 3/8-18 1.30 .94 .41 .53 .94 2086 psi 3400F-06-08 3/8-18 1/2-14 1.38 .97 .41 .69 1.00 1776 psi 3400F-08-06 1/2-14 3/8-18 1.36 .97 .50 .50 1.00 1980 psi 3400F-08-08 1/2-14 1/2-14 1.44 .97 .56 .69 1.00 1708 psi 3400F-12-12 3/4-14 3/4-14 1.73 1.34 .72 .89 1.38 1674 psi 3400F-16-16 1-11.5 1-11.5 2.11 1.59 .91 1.13 1.75 1680 psi