Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BN175-3224 found under Dampener Fluid Pressure by Nixco Mfg Co. The National Stock Number assigned to this part is 6685013921235, 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 BN175-3224.