Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 366-000-00539 found under by Medic Master Corporation. The National Stock Number assigned to this part is 2590012079174, and the Federal Supply Class is 2590 Miscellaneous Vehicular Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 366-000-00539.