Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number WB101CLBSIZE6TYPE4FD found under Battery Nonrechargeable by Federal Specifications. The National Stock Number assigned to this part is 6135011123480, and the Federal Supply Class is 6135 Batteries Nonrechargeable. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like WB101CLBSIZE6TYPE4FD.