STUFFING BOX. PART OF A WIRELINE PULLEY ASSEMBLY, WHERE THE CABLE GOES FROM A WINCH TO THE STUFFING BOX. USED WITH WIRE OF SIZES 0.108 TO 0.25 INCHES. THE SHEAVE GUIDES THE WIRE INTO THE HYDRAULIC PISTON. A HYDRAULIC PISTON CAN BE PUMPED UP TO ENERGISE THE PACKINGS. RUBBER PACKINGS PROVIDE A SEAL AROUND THE WIRE. PIN AND COLLAR UNION ENABLES THE STUFFING BOX TO BE MADE UP TO THE LUBRICATOR. SAFE WORKING PRESSURE IS 15,000 PSI.

CLASSIFICATION HAS BEEN DETERMINED IN ACCORDANCE WITH THE FOLLOWING:- GENERAL INTERPRETATIVE RULES (GIR)S: GIR 1 HAS BEEN USED TO CLASSIFY THIS PRODUCT BY THE TERMS OF HEADING 8431 - GIR 6 HAS BEEN USED TO CLASSIFY THE GOODS TO SUBHEADING LEVEL 843110 - ALSO CLASSIFIED IN ACCORDANCE WITH: THE HSEN'S TO HEADING 8431 REFERS.