Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 49389300 found under Restrictor Orf by Control Data Systems Inc. The National Stock Number assigned to this part is 7025010580352, and the Federal Supply Class is 7025 Adp Input Output And Storage Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 49389300.