Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 42X5 found under Rectifier Metallic by Telex Communications Inc. The National Stock Number assigned to this part is 6130002950633, and the Federal Supply Class is 6130 Converters Electrical Non Rotating. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 42X5.