Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 07406-004000B found under Gage Pressure Dial Indicating by Slidell Marine Inc. The National Stock Number assigned to this part is 6685015739669, 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 07406-004000B.