Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number UDB916486-228 found under Drill Block Manual by United Drill Bushing Corporation. The National Stock Number assigned to this part is 3465010713019, and the Federal Supply Class is 3465 Production Jigs Fixtures And Template. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like UDB916486-228.