Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S51-2-3002B found under Resistor Fixed Film by Vishay Angstrohm Precision Inc. The National Stock Number assigned to this part is 5905004506153, 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 S51-2-3002B.