1. 2. 3. 4. TM 9-2320-361-20 APPENDIX D (Contd) Tubing Application Tightening Assembly Instructions (Contd) Slide nut and then sleeve on tubing. Threaded end of nut (C) must face out. Insert tubing into fitting. Be sure tubing is bottomed on fitting shoulder. Thread nut onto fitting body until it is hand tight. From that point, tighten with a wrench the number of turns indicated at right. TUBE ADDITIONAL NUMBER SIZE OF TURNS FROM HAND TIGHT 1/4, 3/8 1-3/4 112, 5/8, 3/4 3-1/4 D-5 (D-6 blank)