SMB Snap-On Coaxial Interface, Straight Female Receptacle Layout, Subminiature Version B (SMB) Bulkhead Jack Connector, Gold-Plated Phosphor Bronze Contact, -65°C to +165°C Extended Aerospace Operational Window | 50Ω instrumentation-grade radio frequency circuit card interconnect hardware manufactured by Concord Electronics, utilizing a high-retention snap-on locking collar mechanism to safely manage high-frequency data transmission streams while eliminating physical mounting shift and vibration distortions across laboratory test backplanes | Industry Exact Equivalents: Concord Electronics 800-1500, Concord 800-1500, Concord SMB-Bulkhead | Industry Functional Cross-References: Amphenol 142146, TE Connectivity 5142146-1, Molex 73100-0103 | Military Specification National Stock Number (NSN): 5935-01-150-0800