Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 123AV99010-3 found under Nrp Light C428 by Whelen Engineering Company Inc. The National Stock Number assigned to this part is 1680016207902, 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 123AV99010-3.