Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DX400B found under Driver Projectile Unit Powder Ac by Hilti Inc. The National Stock Number assigned to this part is 5130001653907, and the Federal Supply Class is 5130 Hand Tools Power Driven. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like DX400B.