Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MWT2B 4505 found under Filter Low Pass by Blonder Tongue Laboratories Inc. The National Stock Number assigned to this part is 5915012398747, and the Federal Supply Class is 5915 Filters And Networks. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like MWT2B 4505.