Product Overview
Kings SHV Bulkhead Receptacle 1704-1 - 5KV High-Voltage Coaxial Jack, Front Mount, Solder Cup Termination
Condition
Unused NOS. Evaluation: Visual inspection only. Function testing not performed. Silver-finish brass body with gold-plated center contact and white PTFE dielectric. Bag markings confirm Kings Electronics Co. Inc., Tuckahoe N.Y., Made in U.S.A. Date code 9207 molded on unit. Sourced from a government research facility.
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Product Overview
Kings 1704-1 SHV (Safe High Voltage) bulkhead jack - a front-mount coaxial receptacle designed for high-voltage instrumentation panels. Rated to 3,500 VRMS operating voltage with a 5,000 V test voltage, it handles bias and signal lines in radiation detection, PMT power supplies, and high-voltage test equipment where standard BNC or MHV connectors are not rated for the application. Solder cup termination accepts a direct wire connection to the internal high-voltage lead. Bayonet coupling ensures fast, secure mating with SHV male plugs only - physically incompatible with BNC and MHV connectors to prevent dangerous cross-connections. Made in U.S.A. by Kings Electronics.
Key Features
- Connector type: SHV (Safe High Voltage) coaxial bulkhead jack
- Mounting: Front mount, bulkhead panel installation
- Operating voltage: 3,500 VRMS; test voltage: 5,000 V
- Termination: Solder cup rear connection
- Coupling: Quick-connect/disconnect bayonet (mates with SHV male plug only)
- Body: Nickel-plated brass
- Center contact: Gold-plated brass
- Dielectric: PTFE (Teflon)
- Safety feature: Recessed center contacts prevent shock hazard when unmated
- Physically incompatible with BNC, MHV, and HN connectors - prevents accidental high-voltage cross-connection
- Made in U.S.A. - Kings Electronics Co. Inc., Tuckahoe, N.Y.
Applications
- Mounting to an instrument chassis or NIM bin panel to route high-voltage bias to a scintillation detector or Geiger-Müller tube
- Replacing a damaged or failed bulkhead jack on a photomultiplier tube (PMT) power supply or anode output port
- Installing a high-voltage feedthrough on a shielded service box for radiation survey meter repair or calibration bench work
- Wiring the rear solder cup to the high-voltage anode line of a gas-filled drift-tube detector during lab instrument build or restoration
- Amateur fusor builders and nuclear science hobbyists adding a safe, standards-compliant HV port to a homemade vacuum or detector enclosure
- Semiconductor equipment and medical X-ray machinery repair - drop-in replacement for an existing D-flat panel-mount SHV jack
Frequently Asked Questions
Is this the front-mount or rear-mount version?
Front mount. The 1704-1 mounts from the front of the panel. The rear-mount variant is the 1704-2. Note: "1704-L" is a historical typographical variation of "1704-1" where the numeral 1 was read or printed as a lowercase L - this is the same connector.
What cable connector mates with this jack?
A standard SHV male plug (bayonet coupling). This jack is physically incompatible with BNC, MHV, HN, and other non-SHV coaxial connectors - that incompatibility is a deliberate safety feature that prevents accidental mating with low-voltage lines.
Are the mounting hex nut and lock washer included?
Hardware inclusion is not confirmed from the available sourcing information. Inspect your order on arrival and source a matching hex nut if your panel installation requires one.
What is the termination method on the rear?
Solder cup. The high-voltage wire is soldered directly into the rear cup contact. No crimp tool or special termination equipment is required.
A connector that says no to the wrong plug - by design. Whoever first spec'd the SHV recessed contact knew that a shock hazard you can't accidentally create is one you never have to recover from. This one is ready for your next panel.
