Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4H8A40R0B found under Resistor Fixed Wire Wound Induct by General Resistance Inc. The National Stock Number assigned to this part is 5905000067025, and the Federal Supply Class is 5905 Resistors. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 4H8A40R0B.