Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5437-1034 ITEM NO. 1784-1028 found under Filter Band Pass by Woodward Machine Corporation. The National Stock Number assigned to this part is 5915015653091, 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 5437-1034 ITEM NO. 1784-1028.