Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 555053-013 found under Lamp Incandescent by Bae Systems Information And Electronic Systems Integration Inc Div Bae Systems. The National Stock Number assigned to this part is 6240001536515, 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 555053-013.