Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PSG 12 found under Hose Nonmetallic by Parker Hannifin Canada. The National Stock Number assigned to this part is 4720200001662, 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 PSG 12.