5390CCSF is an SMA male to SMA male straight adapter designed for RF signal interconnection. It features a 303 stainless steel body and coupling nut with passivate finish per ASTM A-967, a brass alloy center conductor with gold plating, and a PTFE insulator. The adapter conforms to MIL-STD-348 interface specifications and includes epoxy captivation for secure assembly. With an overall length of 0.871 inches and a hex size of 0.312 inches, this adapter is suitable for test and measurement, telecommunications, and aerospace applications requiring reliable SMA connections.