Section XVI — Machinery and mechanical appliances; electrical equipment; parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles
Chapter 84 — Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof
Heading 8448 — Auxiliary machinery for use with machines of heading 84.44, 84.45, 84.46 or 84.47 (for example, dobbies, Jacquards, automatic stop motions, shuttle changing mechanisms); parts and accessories suitable for use solely or principally with the machines of this heading or of heading 84.44, 84.45, 84.46 or 84.47 (for example, spindles and spindle flyers, card clothing, combs, extruding nipples, shuttles, healds and healdframes, hosiery needles).
National subdivision 8448.5 — Parts and accessories of machines of heading 84.47 or of their auxiliary machinery:
Subheading 8448.51 — Sinkers, needles and other articles used in forming stitches