Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HB1112 found under Spring Button by Hickok Incorporated. The National Stock Number assigned to this part is 3610000170044, and the Federal Supply Class is 3610 Printing Duplicating And Bookbinding Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like HB1112.