Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number F143138-1 found under Block Control Circu by Oldenburg Group Incorporated. The National Stock Number assigned to this part is 6110016100610, and the Federal Supply Class is 6110 Electrical Control Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like F143138-1.