Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 87373-8 found under Insulator Bushing by Howden North America Inc. The National Stock Number assigned to this part is 5970011298109, and the Federal Supply Class is 5970 Electrical Insulators And Insulating Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 87373-8.