Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 84A1A-B28-J15 found under Resistor Variable Wire Wound Pre by Bourns Inc. The National Stock Number assigned to this part is 5905015351849, 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 84A1A-B28-J15.