Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3511008 found under Stud Spring Clutch by Pitney Bowes Inc. The National Stock Number assigned to this part is 5307009206452, 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 3511008.