Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MIL-S-851 TY1SZ80 found under Steel Grit by General Services Administration Inc. The National Stock Number assigned to this part is 5350001071284, and the Federal Supply Class is 5350 Abrasive Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like MIL-S-851 TY1SZ80.