Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CGA300389 found under Gage Assembly Precharging by Ambac International Corporation. The National Stock Number assigned to this part is 2990008972535, and the Federal Supply Class is 2990 Miscellaneous Engine Accessories Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CGA300389.