Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 87039-012 found under Clamp Electrical by Aar Manufacturing Inc. The National Stock Number assigned to this part is 5999015497887, and the Federal Supply Class is 5999 Miscellaneous Electrical And Electronic Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 87039-012.