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NMFC 39510 - Mechanical Control Cables | Class 50–400

Article ID
39510
NMFC 39510 for boxed control cable assemblies
Freight Group
UNGROUPED ARTICLES
Ungrouped article, density rules apply to boxes
Class Range
50-400 13 classifications
Class 50–400 determined by packaged density
Hazardous
No
Non-hazardous cable components for safe transport

Classification Details

NMFC Description Class
39510.00 Show more
39510.01 Less than 1 400
39510.02 1 but less than 2 300
39510.03 2 but less than 4 250
39510.04 4 but less than 6 175
39510.05 6 but less than 8 125
39510.06 8 but less than 10 100
39510.07 10 but less than 12 92.5
39510.08 12 but less than 15 85
39510.09 15 but less than 22.5 70
39510.10 22.5 but less than 30 65
39510.11 30 but less than 35 60
39510.12 35 but less than 50 55
39510.13 50 or greater 50

How to Determine Your Class

To find the correct freight class for your shipment:

  1. Confirm packaging: these assemblies must ship in boxes. Coil to a safe bend radius, cap threaded ends, and bag lubricated fittings to prevent contamination.
  2. Determine density for class selection: weigh each box and measure exterior dimensions to calculate pounds per cubic foot. Example: 42 lb in 4.5 cu ft ≈ 9.3 pcf.
  3. Brace the coil so it does not spring open. Use double‑wall corrugated (ECT 44 or higher) and void fill to keep the conduit from kinking or crushing in transit.
  4. Document clearly on the BOL: “NMFC 39510, density-based, Item 170,” include piece count, weight, and box size, and mark Non-Hazardous to speed carrier processing.

Note: All classifications are subject to Item 170. Verify with official NMFC publications for the most current requirements.

Business Value

  • Optimize freight class via density: right-size coils and packaging to raise pcf when safe, often reducing class and LTL rates without risking bend radius limits.
  • Boxed packaging lowers damage risk to conduits and fittings, cutting claims and rework for aerospace, automotive, and machinery supply chains.
  • Accurate density and NMFC notation reduce carrier inspections and reclass fees, stabilizing quotes and improving invoice accuracy.
  • Non-hazardous status widens carrier options and improves transit speed, supporting just-in-time parts replenishment for MRO and OEM operations.