Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1-1 2HP found under Spray Outfit Paint by Sears Roebuck And Co. The National Stock Number assigned to this part is 4940010145907, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1-1 2HP.