Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1V4850 found under Parts Kit Vent Valve by Industrial Parts Depot Inc. The National Stock Number assigned to this part is 2530001381949, and the Federal Supply Class is 2530 Vehicular Brake Steering Axle Wheel And Track Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1V4850.