Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TM EM-00583-00 FIG 6-21 found under Electronic Module Standardized by Brk Brands Inc. The National Stock Number assigned to this part is 5963014482650, and the Federal Supply Class is 5963 Electronic Modules. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like TM EM-00583-00 FIG 6-21.