Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HSTM11AZ-06-21 found under Pin Rivet by Blanc Aero Industries Uk Ltd. The National Stock Number assigned to this part is 5320015715479, and the Federal Supply Class is 5320 Rivets. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like HSTM11AZ-06-21.