Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HK5B414-01 found under Nut Strip by Ho Ho Kus Inc. The National Stock Number assigned to this part is 5310013842230, and the Federal Supply Class is 5310 Nuts And Washers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like HK5B414-01.