Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SM2 1620 048 found under Hose Assembly Nonmetallic by Schroeder Industries Llc. The National Stock Number assigned to this part is 4720016592973, and the Federal Supply Class is 4720 Hose And Flexible Tubing. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SM2 1620 048.