Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 183-4242 found under Semiconductor Devices Unitized by Rs Components. The National Stock Number assigned to this part is 5961014486412, 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 183-4242.