Conduits Flues - 51045

Conduits Flues - 51045

What is Freight Class?

You must assign your shipment a freight code when shipping products as LTL (less-than-truckload). This standardized code, issued by the National Motor Freight and Traffic Association, allows carriers to identify qualities of the shipment to help with transportation.
Ship conduits flues accurately by using the information below:
51045
Conduits Flues
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Commodity note:
Air or smoke, other than flexible, the term 'flexible' is descriptive of duct or flues that can withstand a bend of 180 degrees and return to original shape without deterioration of the wall structure; or Fittings therefor, NOI; metal, with or without components of other materials:

Subclasses for

Conduits Flues - 51045

Subclasses are further divisions of an NMFC number that generally distinguish among items that can have different densities.
In this instance, the commodity, conduits flues, is further broken down in the following subclasses:

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freight subclasses

Subclass Info

51045-1

51045-2

51045-3

51045-4

51045-5

51045-6

51045-7

51045-8

300

175

70

400

200

77.5

Subject to Item 170 and having a density in pounds per cubic foot of:

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Subject to Item 170 and having a density in pounds per cubic foot of:

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In boxes or crates

Less than 4

4 but less than 8

8 or greater

In packages other than boxes or crates

Less than 4

4 but less than 8

8 or greater

In boxes or crates

Less than 4

4 but less than 8

8 or greater

In packages other than boxes or crates

Less than 4

4 but less than 8

8 or greater

Subclass NMFC Code
Freight Class
Subclass Notes
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Please note: This is for educational purposes only. Ultimately, the carrier reserves the right to classify the groups.

FAQs

Where can I find a freight code list?

The National Motor Freight Traffic Association (NMFTA) publishes a list of freight class designations, codes, and subclasses for commonly shipped items (https://classit.nmfta.org/). A subscription is required to view this list. You can read more about freight classes at Koho for free on our freight classes pages.

Can I use a lower NMFC class to save money on shipping?

No. If you claim that your freight is a lower class than it actually is, your carrier will likely find out. They will charge you a fee for reclassifying the freight and charge you the appropriate amount for the actual class of your freight after it has been shipped.

What happens if I don't put an NMFC freight class on my BOL?

If you don't include an NMFC code on your BOL, it is very likely that your carrier will charge you a reclassification fee and charge you the cost of shipping the freight they determine your shipment is.