Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 6K49450 found under Pump Inflating Manual by Sears Roebuck And Co. The National Stock Number assigned to this part is 4320008544444, 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 6K49450.