Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number G05581-905A found under Thyristor Special by M L Aviation Ltd. The National Stock Number assigned to this part is 5905010726468, and the Federal Supply Class is 5905 Resistors. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like G05581-905A.