Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D6 49451 found under Pump Inflating Manual by Sears Roebuck And Co. The National Stock Number assigned to this part is 4320014452837, and the Federal Supply Class is 4320 Power And Hand Pumps. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like D6 49451.