Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4950775-4 found under Lamp Incandescent by Hamilton Sundstrand Corporation. The National Stock Number assigned to this part is 6240014442227, and the Federal Supply Class is 6240 Electric Lamps. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 4950775-4.