Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number EX1131 found under Winding Generator Field by Stewart And Stevenson Power Products. The National Stock Number assigned to this part is 6115003542635, and the Federal Supply Class is 6115 Generators And Generator Sets Electrical. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like EX1131.