Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SM0817 found under Packing Gland Plate by Tyco Valves And Controls Lp. The National Stock Number assigned to this part is 4820014608046, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SM0817.