Coupling & Mounting Options

• Threaded coupling — the coupling ring threads onto the mating half for a positive, vibration-resistant joint; the usual choice where the connection is made once and then left alone.
• Bayonet coupling — a short twist locks or releases the halves, which shortens bench assembly time and lets a technician change a connector in the field without special tooling.
• Panel mount — the military panel mount connector fixes to a bulkhead, equipment chassis or enclosure wall, so the cable half can be plugged and unplugged without opening the enclosure.
• Cable mount — the connector terminates onto the cable itself, which suits runs routed to a remote box or that move with the equipment.
• Both styles in one range — a rugged connector supplier carrying threaded and bayonet versions means one parts list can cover fixed and serviceable joints without changing the shell family.

Sealing & Environmental Performance

Three sealing points protect the contact set on these sealed circular connectors: a seal at the mating interface, rear seals at each wire entry and seals built into the connector body. That layered approach is what keeps moisture out of the contact bores after repeated mating cycles, and it is the part of the design that most affects how long the connector lasts on a platform.

Salt mist, heat cycling and constant vibration are the conditions that wear a connector out in service, so every unit is checked for environmental sealing and high-vibration performance before it ships. Where the shell sits close to heat sources, flame-retardant materials meeting MIL-STD-810 are used. Holding those results steady from lot to lot is the part of the job a mil-dtl-38999 manufacturer is set up for.

Specifications

Contacts & Signal Integrity

• Gold-plated contacts — the plating keeps contact resistance low and resists the corrosion that builds up in salt and humidity, which is what makes this a military circular connector rather than a commercial-grade part.
• Polarized keying — the insert only allows the halves to mate one way, which removes the most common cause of a mismated connection on a production line.
• EMI shielding — the shell shields the contact set, which matters where a cable bundle runs signal wires alongside higher-power circuits.
• Stable impedance and low insertion loss — the contact system is held to tight tolerances, so signal circuits behave the same way on the bench and in service.
• Field-friendly assembly — colour-coded inserts shorten assembly and make it easier to trace a fault when several connectors sit on the same panel.

Ordering & Confirmation

1. Send the full part number exactly as it appears on your drawing or on the unit being replaced. As a military connector manufacturer we build to that callout, so the coupling style, mounting type and contact arrangement come out right the first time.
2. Tell us which half you need and what it mates with. Plugs, receptacles and rear accessories sit in the same range, so ordering the mate at the same time avoids a keying or plating mismatch later.
3. Describe where the connector will be mounted and what it will be exposed to, so the sealing and temperature figures can be checked against your platform before the drawing is released.
4. Ask for the paperwork your quality system needs. Certificates of conformance and test reports are issued with the shipment, and lot details can be quoted when your process calls for them.
5. Plan quantities against your build or service schedule. Volume needs and timing are agreed up front, and a rugged connector supplier holding the whole range can keep the same part repeatable across repeat orders.

FAQ