Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number W279900000138 found under Cabinet Electrical Equipment by Amper Programas De Electronica. The National Stock Number assigned to this part is 5975014981703, and the Federal Supply Class is 5975 Electrical Hardware And Supplies. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like W279900000138.