Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number EW-2300AB REV A found under Holder Imp Bar by Dc Fabricators Inc. The National Stock Number assigned to this part is 4420014835451, 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 EW-2300AB REV A.