Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A-7-13.75-P22 24 found under Sensor Foam Level by Mc Products Inc. The National Stock Number assigned to this part is 6685013296384, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A-7-13.75-P22 24.