Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number UDB916493-675B found under Nose Piece Vacuum by United Drill Bushing Corporation. The National Stock Number assigned to this part is 3465010713561, 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 UDB916493-675B.