The D38999/24WC98SN is a military-specification jam nut receptacle assembly, identified internally by TE Connectivity as RECP ASSY. This connector is part of the D38999 family and features a 13-98 insert arrangement. It is designed for panel mounting using a jam nut, which provides a secure and robust connection. Common applications include aerospace, military, and industrial systems where reliable performance under demanding conditions is critical.