Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PB42D1 found under Resistor Thermal by Honeywell International Inc. The National Stock Number assigned to this part is 5905003720874, 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 PB42D1.