Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A-A-51135 TY1STASZ48CLA found under Blade Hole Saw by General Services Administration. The National Stock Number assigned to this part is 3455001872634, and the Federal Supply Class is 3455 Cutting Tools For Machine Tools. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A-A-51135 TY1STASZ48CLA.