Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4273K found under Resistor Fixed Wire Wound Induct by Supreme Electronics Corp. The National Stock Number assigned to this part is 5905001954293, 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 4273K.