Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 57A5A15-28 found under Connector Plug Electrical by Navair And Navsea Managed. The National Stock Number assigned to this part is 5935005810422, and the Federal Supply Class is 5935 Connectors Electrical. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 57A5A15-28.