Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 900 45042 found under Scr Assembly by Rolls Royce Marine Electrical. The National Stock Number assigned to this part is 5961015807972, and the Federal Supply Class is 5961 Semiconductor Devices And Associated Hardware. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 900 45042.