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NMFC 23340 - Belts or Belting, NOI | Class 50-400

Article ID
23340
Belts or belting, density-based NMFC lookup
Freight Group
UNGROUPED ARTICLES
Ungrouped article; density drives shipping class
Class Range
50-400 13 classifications
Classes 50–400 by pounds per cubic foot
Hazardous
No
Non-hazardous freight; standard LTL handling

Classification Details

NMFC Description Class
23340.00 Belts or Belting, NOI, in packages, subject to Item 170 and having a density in pounds per cubic foot of:
23340.01 Less than 1 400
23340.02 1 but less than 2 300
23340.03 2 but less than 4 250
23340.04 4 but less than 6 175
23340.05 6 but less than 8 125
23340.06 8 but less than 10 100
23340.07 10 but less than 12 92.5
23340.08 12 but less than 15 85
23340.09 15 but less than 22.5 70
23340.10 22.5 but less than 30 65
23340.11 30 but less than 35 60
23340.12 35 but less than 50 55
23340.13 50 or greater 50

How to Determine Your Class

To find the correct freight class for your shipment:

  1. Confirm density to set class: weigh the package and calculate pounds per cubic foot. Example: 120 lb in a 36 x 36 x 12 in carton ≈ 8.99 cu ft, ~13.3 pcf.
  2. Package coils on sturdy cores, wrap to prevent kinks, and use edge protectors. Strap rolls to pallets; avoid tight bends that deform timing belts or V-belts.
  3. Note Item 170 on the BOL and list NMFC 23340, package count, weight, and calculated density. This speeds inspections and prevents reclass charges.
  4. For heavy conveyor belting or long endless loops, consider crates or reels to stop ovaling. Packaging style affects cube and can shift your class within 50–400.

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

Business Value

  • Accurate density data can place dense rubber belting in a lower class, cutting LTL rates without compromising service.
  • Item 170-compliant packaging reduces edge damage and claims, keeping replacement costs and customer downtime to a minimum.
  • Clear documentation (NMFC 23340 + density) reduces carrier reweigh/reclass fees and accelerates pickups and transits.
  • Standardizing coil diameters and pallet patterns improves stackability and cube utilization, helping negotiate better freight rates.