NMFC 19580 - Seat Spring Assemblies | Class N/A

To find the correct freight class for your shipment:

1. Specify the build: spring assemblies only or assemblies combined with seat/seat-back frames. Use clear invoice text like “Seat Spring Assemblies with Frames, non-haz, NMFC 19580.”
2. Protect sharp wire ends and curved hooks with caps or foam. Band to a pallet or dedicated returnable rack; add corner boards to stop spring bowing and punctures.
3. Record true outside dimensions including protruding tabs. Even though class is not density-based here, carriers need accurate cube and stackability notes.
4. Pick sturdy packaging for the route: heavy corrugated crate for parcel hubs, or steel rack for OEM shuttles. Label each piece count and packaging type on the BOL.

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

• Avoid reclass fees by clearly distinguishing assemblies versus assemblies-with-frames and listing NMFC 19580 on paperwork.
• Reduce damage claims by immobilizing flexible spring grids; maintained geometry prevents costly fitment issues at trim lines or upholstery shops.
• Reusable racks on repetitive lanes cut cube and touch points, improving dock handling speed and lowering accessorial risk.
• Consolidating multiple sets to a standard 48x40 footprint streamlines quotes, improves LTL rates, and minimizes minimum charge exposures.