Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number EQ23-3FN4-LWBX found under Gage Compound Pressure Vacuum Di by Ashcroft Inc. The National Stock Number assigned to this part is 6685001819596, 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 EQ23-3FN4-LWBX.