Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 10505552 found under Regulator Air Flow by General Dynamics Land Systems. The National Stock Number assigned to this part is 2540011791085, and the Federal Supply Class is 2540 Vehicular Furniture And Accessories. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 10505552.