Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 173-99 found under Parts Kit Hydraulic by Delco Moraine Div Of General. The National Stock Number assigned to this part is 2530004701816, and the Federal Supply Class is 2530 Vehicular Brake Steering Axle Wheel And Track Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 173-99.