Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1C5279-2 found under Support Adapter Ground Test Equi by Val Rollers Inc. The National Stock Number assigned to this part is 4920004550627, 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 1C5279-2.