Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D6919-010-137-2 found under Tube Water Manifold by Industrial Acoustics Company Inc. The National Stock Number assigned to this part is 4920010211222, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like D6919-010-137-2.