Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 54 003857 01 found under Coil Radio Frequency by Interlink Communications Inc. The National Stock Number assigned to this part is 5950010206586, and the Federal Supply Class is 5950 Coils And Transformers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 54 003857 01.