TILT MECHANISM. THE TILT MECHANISM CONVERTS THE ROTATIONAL OUTPUT OF THE REMOTE ELECTRICAL TILT (RET) MOTOR INTO LINEAR MOVEMENT. IT ACHIEVES THIS CONVERSION VIA A SCREW AND DRIVE BLOCK. THE MOTOR (NOT THE SUBJECT OF THIS BTI) TURNS THE SCREW CLOCKWISE OR ANTICLOCKWISE AND THIS IN TURN MOVES THE DRIVE BLOCK WHICH ADJUSTS AN ACTUATOR ARM (NOT THE SUBJECT OF THIS BTI) IN AN ANTENNA. IT IS MADE FROM POLYOXYMETHYLENE (POM).

GIR 1 & 6. NOTE 2(a) TO SECTION XVI. THE TEXT TO CODES 8483, 8483 40, 8483 40 29 & 8483 40 29 89. NOTE (C) OF THE HSEN TO HEADING 8483.