Classification Details
| NMFC | Description | Class |
|---|---|---|
| 179310.00 | Steps or Stairs, modular or mobile home, NOI, with or without metal side railings in same or separate packages, see Note, item 179314: | |
| 179310.01 | Aluminum: | |
| 179310.02 | SU, in packages | 300 |
| 179310.03 | With wooden treads, KD | 150 |
| 179310.04 | KD flat, in boxes | 100 |
| 179310.05 | Wood, with or without plastic coating, in boxes | 175 |
| 179310.06 | Steel or steel and wood: | |
| 179310.07 | SU, not nested, or other than two units per metal-strapped bundle, step tread surfaces facing each other | 200 |
| 179310.08 | SU, nested, in nests of less than five, in metal-strapped bundle; or two units per metal-strapped bundle, step tread surfaces facing each other; or single units, KD | 150 |
| 179310.09 | KD flat, in boxes; or nested, in nests of five or more, see Note, item 179312, in bundles | 92.5 |
Notes
Note 179312: NOTE-Each upper article in the nest may not project above the next lower article by more than two inches.
How to Determine Your Class
To find the correct freight class for your shipment:
- Describe precisely on the BOL: “Steps or Stairs, modular or mobile home, NOI, with or without metal side railings,” and note if rails are packed separately (e.g., 1 of 2, 2 of 2).
- Choose protective packaging that fits the form: boxed knockdown kits or wrapped packages for assembled stairs. Use foam/edge guards so rails don’t rub through cartons.
- Measure the largest piece including brackets and rail overhangs; enter exact dimensions and total piece count for accurate LTL quotes within the 92.5–300 class range.
- Check NMFC Note 179314 to determine which conditions drive the final class. When uncertain, verify with your carrier or broker before tender to avoid reclass.
Note: All classifications are subject to Item 170. Verify with official NMFC publications for the most current requirements.
Business Value
- Clear item description and note 179314 compliance reduce reclass fees and invoice disputes.
- Damage prevention via solid boxing and rail separation lowers claims and keeps projects on schedule.
- Accurate dimensions help you avoid overlength and residential accessorial surprises, tightening landed cost.
- Bundling rails with the stair package when safe can cut handling touches and piece-count charges.