Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1861256-1 found under Printed Circuit Boa by Honeywell Intl Inc. The National Stock Number assigned to this part is 5998009252990, and the Federal Supply Class is 5998 Electrical And Electronic Assemblies Boards Cards And Associated Hardware. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1861256-1.