Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PR149HG4FSD3 found under Terminal Feedthru by Birtcher Corp. The National Stock Number assigned to this part is 5940000824896, and the Federal Supply Class is 5940 Lugs Terminals And Terminal Strips. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PR149HG4FSD3.