Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TYPEAGRADE2CLASS2B found under Chain Welded by Columbus Mckinnon Corporation. The National Stock Number assigned to this part is 4010001619299, and the Federal Supply Class is 4010 Chain And Wire Rope. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like TYPEAGRADE2CLASS2B.