Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A1934B found under Swing Arm Assembly by Bureau Of Engraving And Printing. The National Stock Number assigned to this part is 3610000432986, 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 A1934B.