TM 10-3930-659-20 14-26.    SEATBELT REPLACEMENT (Con't). 3. Remove nut (19), screw (23), spacer (22), washer (21), and tether strap (20) from bracket (18). 4. Remove nut (16), screw (13), seatbelt fastener (14), spacer (24), tether strap (20), and spacer (15) from bracket (17). b. INSTALLATION 1. Install spacer (15), tether strap (20), spacer (24), and seatbelt fastener (14) on bracket (17) with screw (13) and nut (16). 2. Install tether strap (20) on bracket (18) with washer (21), spacer (22), screw (23), and nut (19). TA706839 14-54