Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number EEP54A FLG-38 IN. -TY.1-CL.B found under Indicator Sight Liquid by Ernst Flow Industries Inc. The National Stock Number assigned to this part is 6680012834068, 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 EEP54A FLG-38 IN. -TY.1-CL.B.