Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 151-004-03B found under Wire Fabric by Bell Helicopter Textron Inc. The National Stock Number assigned to this part is 5335016447448, and the Federal Supply Class is 5335 Metal Screening. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 151-004-03B.