Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number EF0-FL11-303.4-LCS REV 1 ITEM 13 found under Gasket by Energy Focus Inc. The National Stock Number assigned to this part is 5330016655337, and the Federal Supply Class is 5330 Packing And Gasket Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like EF0-FL11-303.4-LCS REV 1 ITEM 13.