Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 90-313-1 ITEM 31 found under Terminal Block Elec by L3 Communications Corp. The National Stock Number assigned to this part is 2925015225631, and the Federal Supply Class is 2925 Engine Electrical System Components Aircraft Prime Moving. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 90-313-1 ITEM 31.