Parts list: № Number Qty Name Options 1 810183200 1 Washer 7/8in. 2 19M7597 1 Cap Screw M20 X 50, M20X2.50–50, (SUB FOR 811181400) 3 F123560 1 Nut M42–4.5, (SUB FOR 811721800) 4 F278195 1 Spacer 5 F290811 1 Plate 6 F292273 1 Adapter Fitting 7 F292286 1 Pin Fastener 8 F292706 1 Pin Next page: ST38323 Boom Adapter - T400 Without Wrist ST728178 Frame, With Wear Plates (003402 - 003549) ST572413 Arms ( - 003401) ST795305 Arms (003402 - 003561) ST572404 Frame, With Wear Plates ( - 003401)