www .flextral.com T able Of Contents T echnical Data Recommended Practices for Hydraulic Hose Assemblies - SAE J1273 1996 A2 Selection of Hose A3 How to Measur e Flextral Assemblies A4 How to Measur e Fitting Orientation A5 Assembly of SAE 37° Flar e Fittings Using “Flats Method” T o Achieve Pr oper T or que A6 Formulas and Conversion Factors for Fluid Power Use A7 Pr essur e Conversion Factors A8 Thr ead Identifcation Index A9 How to Identify a Thr ead A10 Thr ead Identifcation A11 A1 Hose Miscellaneous B2 Thermoplastic B7 Medium Pr essur e B12 High Pr essur e B18 B1 C1 Couplings Hose End Index C2 E Series C5 N Series C36 V , VS Series C59 C Series C81