Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 637-804745 found under Capacitor Fixed Mica Dielectric by Viasys Respiratory Care Inc. The National Stock Number assigned to this part is 5910008929904, and the Federal Supply Class is 5910 Capacitors. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 637-804745.