Product Overview
Bulkhead Coaxial Panel Mount Jack with Solder Lug and Hardware
Condition
Unused new old stock (NOS). Stamped markings: AMPHENOL 74868 912/U. Clean plating and intact solder eyelet. Includes hex nut, star lock washer, and red sealing O-ring gasket. Sold each.
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Product Overview
Amphenol UG-912/U is a 50-ohm bulkhead BNC female coaxial connector engineered for panel-mount RF feedthrough installations. Built with a hermetic front-mount design, it features a rear solder lug eyelet for direct-wire termination and includes complete mounting hardware.
Key Features
- Connector Type: BNC female (jack) receptacle
- Impedance: 50 Ohms
- Frequency Range: DC to 2 GHz
- Mounting Style: Front-mount bulkhead feedthrough
- Termination: Rear solder tab with wire eyelet
- Body Construction: Nickel-plated brass
- Dielectric Material: PTFE
- Contact Material: Beryllium copper
- Included Hardware: Hex mounting nut, external-tooth lock washer, red elastomer sealing O-ring
Applications
- RF panel feedthrough connections on custom enclosures, test chassis, and radio transmitter assemblies.
- Maintenance and restoration of vintage military, avionics, and laboratory instrumentation requiring UG-912/U spec connectors.
- Amateur radio antenna switches, ham gear, and DIY signal routing boxes built by makers and hobbyists.
Frequently Asked Questions
What impedance is this BNC jack designed for?
This is a 50-ohm RF connector rated for operation from DC up to 2 GHz.
What hardware is included with the connector?
Each connector comes complete with the threaded bulkhead body, hex mounting nut, external-tooth star lock washer, and red elastomer sealing gasket.
What commercial part number does this military UG-912/U connector cross-reference to?
UG-912/U cross-references directly to Amphenol commercial catalog number 31-238 (also cataloged as 031-238).
Proper military-spec hardware turns a raw chassis hole into a clean, hermetic RF port that stays tight for decades. Thread it in, cinch down the lock washer, and get your signal across the panel.
