Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3H4188-1 found under Stator Engine Start by Honeywell Aerospace. The National Stock Number assigned to this part is 2920010182159, and the Federal Supply Class is 2920 Engine Electrical System Components Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 3H4188-1.