49237-1
49237-2
49237-3
49237-4
49237-5
49237-6
49237-7
49237-8
49237-9
49237-10
49237-11
400
300
250
175
125
100
92.5
85
70
65
60
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Less than 1
1 but less than 2
2 but less than 4
4 but less than 6
6 but less than 8
8 but less than 10
10 but less than 12
12 but less than 15
15 but less than 22.5
22.5 but less than 30
30 or greater
Less than 1
1 but less than 2
2 but less than 4
4 but less than 6
6 but less than 8
8 but less than 10
10 but less than 12
12 but less than 15
15 but less than 22.5
22.5 but less than 30
30 or greater
HSN stands for Harmonized System of Nomenclature. It is a system for classifying commodities created by the World Customs organization. U.S. LTL shipping, however, uses NMFC classifications instead.
Freight Class 500 freight is the most expensive to ship. This classification is reserved for items of very high value or for items that use lots of space but weigh very little.
NOI stands for Not Otherwise Indicated. This is used when a commodity does not have an NMFC code. In these cases, density is usually used to determine freight class.