A THREADED BRASS LOCKNUT. CIRCULAR ON THE INSIDE, HEXAGONAL ON THE OUTSIDE. IT IS STAMPED THEN THREADED. WITH AN OUTER DIAMETER APPROXIMATELY 2.5CM, INNER DIAMETER APPROXIMATELY 1.8CM. IT IS USED TO AFIX THREADS TO ENCLOSURES AND THE LIKE.

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 7412 NAILS, TACKS, DRAWING PINS, STAPLES (OTHER THAN THOSE OF HEADING 8305) AND SIMILAR ARTICLES, OF COPPER OR OF IRON OR STEEL WITH HEADS OF COPPER; SCREWS, BOLTS, NUTS, SCREW HOOKS, RIVETS, COTTERS, COTTER PINS, WASHERS (INCLUDING SPRING WASHERS) AND SIMILAR ARTICLES, OF COPPER GIR 6 HAS BEEN USED TO CLASSIFY THE GOODS TO SUBHEADING LEVEL 741533 OTHER THREADED ARTICLES. CN CODE 74153300 SCREWS; BOLTS AND NUTS ALSO CLASSIFIED IN ACCORDANCE WITH: HSENS TO 7318 APPLY MUTATIS MUTANDIS TO 7415 NOTE (A) 4TH PARAGRAPH MENTIONS LOCK NUTS.