Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ER8581 found under Cable Assembly Spec by Pearson Engineering Ltd. The National Stock Number assigned to this part is 6150993596025, and the Federal Supply Class is 6150 Miscellaneous Electric Power And Distribution Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like ER8581.