Glossary # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z There are currently 5 names in this directory beginning with the letter K.KK-1 BondA bond used for the transportation of containers, often required for bonded carriers.K-NumberA CBP-assigned code for identifying bonded warehouses.K-Number ApplicationThe process of applying for a K-Number to identify bonded warehouses for customs purposes.K-Number Application ProcessThe steps involved in applying for a K-Number to identify bonded warehouses for customs purposes.Kilogram (kg)A metric unit of weight measurement, equivalent to 1,000 grams.