Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number EQ6066 found under Filler Neck Aircraft Components by Optex Systems Inc. The National Stock Number assigned to this part is 1680009366744, and the Federal Supply Class is 1680 Miscellaneous Aircraft Accessories And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like EQ6066.