Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4102485 found under Check Valve Aircraf by Honeywell International Inc. The National Stock Number assigned to this part is 1680015854837, and the Federal Supply Class is 1680 Miscellaneous Aircraft Accessories And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 4102485.