Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 153-003-D-108 ITEM 1 found under Body Valve by Beaird Industries Inc. The National Stock Number assigned to this part is 4820014338227, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 153-003-D-108 ITEM 1.