Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number EEP54-14 TYPE 1 CLASS B THREADED found under Tube Metering by Ernst Flow Industries Inc. The National Stock Number assigned to this part is 6680013375623, 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 EEP54-14 TYPE 1 CLASS B THREADED.