Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 7-024-0158 found under Gage Pressure Dial Indicating by Chemetron Fire Systems. The National Stock Number assigned to this part is 6685015129434, 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 7-024-0158.