Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 251-010 found under Resistor Fixed Film by Thales Optronics Bury St Edmunds. The National Stock Number assigned to this part is 5905000063528, 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 251-010.