Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number J40066PC6 found under Washer Spring Tensi by Multek Flexible Circuits Inc. The National Stock Number assigned to this part is 5310012159962, and the Federal Supply Class is 5310 Nuts And Washers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like J40066PC6.