Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number KS300 found under Cover Electrical Relay by Crydom Corp. The National Stock Number assigned to this part is 5945015279909, and the Federal Supply Class is 5945 Relays And Solenoids. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like KS300.