Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 135-3-167-29 found under Box Wiring Control by Tiffin Metal Products Co. The National Stock Number assigned to this part is 1730009942035, 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 135-3-167-29.