Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D99-3840 found under Cable Compr Release by Hayes Diversified Technologies Inc. The National Stock Number assigned to this part is 2590015486406, and the Federal Supply Class is 2590 Miscellaneous Vehicular Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like D99-3840.