Product Overview
Cannon UG-535/U 50-Ohm 90-Degree Coaxial Panel Receptacle
Condition
Unused new old stock (NOS). Surface displays natural oxidation and silver tarnish typical of vintage shelf storage. Solder cup terminal and PTFE dielectric are clean and intact.
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Product Overview
Built to military specification MIL-STD-348 standards, the Cannon 91149 (UG-535/U) provides a 50-ohm right-angle BNC female coaxial connection for chassis and panel installations. It features a four-hole square mounting flange, durable bayonet locking interface, and a rear solder cup for direct wire termination across RF circuits up to 4 GHz.
Key Features
- Connector interface: BNC jack (female receptacle)
- Geometry: 90-degree right angle
- Impedance: 50 ohms
- Frequency range: DC to 4 GHz
- Mounting configuration: 4-hole square flange panel mount
- Termination type: Rear solder cup terminal
- Dielectric: PTFE (Teflon)
- Coupling mechanism: Two-stud bayonet lock
- Specification standard: MIL-STD-348 / UG-535/U (NSN 5935-00-295-3345)
Applications
- Mounting an RF feedthrough connector into custom aluminum enclosures or radio chassis panels where tight internal clearance requires a 90-degree bend.
- Restoring vintage test gear, oscilloscopes, or ham radio transceivers requiring an authentic military-style UG-535/U bulkhead connector.
- Building custom coaxial patch panels, antenna distribution boxes, or RF signal taps for laboratory and amateur radio workbenches.
Frequently Asked Questions
What cable or wire type connects to the rear terminal?
The rear connection is a solder cup designed for direct soldering of a center conductor wire or coaxial cable center lead, with the ground returning through the chassis-grounded square flange.
Does the surface tarnish affect electrical performance?
No. The silver oxidation on the outer body is typical for vintage NOS components and does not compromise electrical conductivity or the internal contact surfaces.
Is this connector interchangeable with standard UG-535/U receptacles?
Yes. The UG-535/U specification follows standard MIL-STD-348 interface dimensions, making it directly compatible with standard 50-ohm BNC male plugs and UG-535/U panel mounting footprints.
Before quick-connect plastic took over, high-frequency panels were anchored with solid brass and four honest mounting screws. Thread the lead, solder the cup, and bolt down an RF link built to stay put.
