Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K659545-15 found under Stud Shouldered And by Kaman Aerospace Corporation. The National Stock Number assigned to this part is 5307001369519, and the Federal Supply Class is 5307 Studs. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like K659545-15.