Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PLW3C5S11 found under Amplifier Subassembly by Cobham Electronic Systems Inc. The National Stock Number assigned to this part is 5996016611738, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PLW3C5S11.