Neutrik Locking 1/4" Stereo Phone Jack NJ3FP6C D-Size Chassis Shell, Silver Contacts, Nickel Metal Housing
Plug in. Stay locked in.
A locking 1/4" chassis phone jack in a D-size shell with silver contacts and a nickel metal housing. It gives panels a secure input or output that mates with mono and stereo plugs.

A loose plug can drop out mid-session.
On a panel input or output, an accidental pull can interrupt the connection. A locking jack keeps the plug seated where it belongs.
Built for secure panel connections
The NJ3FP6C pairs a locking design with D-size mounting and solder wiring for equipment builds and installs.
Securely locking
The locking chassis jack keeps the plug from being pulled out accidentally.

Silver contact plating
The contacts are plated with 2 µm of silver.
Mono and stereo plugs
Mates with all mono and stereo plugs specified acc. EIA RS-453.
Selectable grounding
Isolated as standard; remove the red isolator on the lateral screw to get a sleeve/panel connection.
D Series compatible
Dimensionally compatible with D Series (31 x 26mm), with solder terminals for wiring.
Everything you need to know.
| Brand | NEUTRIK |
| Model | NJ3FP6C |
| Connector | 1/4" phone jack, locking, chassis mount |
| Format | D-size (31 x 26 mm) |
| Contact Plating | 2 µm Silver |
| Housing | Metal, nickel finish |
| Termination | Solder |
| Grounding | Isolated as standard, sleeve/panel connection selectable |
| Environmental Certification | IEC 60603-11 |
Neutrik Locking 1/4" Stereo Phone Jack NJ3FP6C D-Size Chassis Shell, Silver Contacts, N...
The Neutrik NJ3FP6C is a locking 1/4" chassis phone jack in a D-size shell with silver contacts and a nickel metal housing. It is designed for equipment builders and installers who want a secure 1/4" input or output that fits the same panel layout as D-series XLR connectors.
Key Features
- Securely locking – The locking chassis jack keeps the plug from being pulled out accidentally.
- Mates with mono and stereo plugs – Accepts all mono and stereo plugs specified according to EIA RS-453.
- Selectable grounding – Isolated by default; remove the red isolator on the lateral screw to connect sleeve to panel.
- D-series compatible – Dimensionally compatible with D Series (31 x 26 mm).
- Solder terminals – Straightforward wiring to internal circuitry.
Specifications
- Brand: Neutrik
- Model: NJ3FP6C
- Connector: 1/4" phone jack, locking, chassis mount
- Format: D-size (31 x 26 mm)
- Contact plating: 2 µm silver
- Housing: Metal, nickel finish
- Termination: Solder
- Grounding: Isolated as standard, sleeve/panel connection selectable
Typical Uses
- Instrument and line inputs on panels
- Wall plates and stage boxes
- Custom audio enclosures
Please confirm the pole count, mating cable connector and your panel cutout (D-size) before ordering.
Need help with compatibility?
Looking for a manufacturer part number, compatible replacement, or quantity order? Contact Raztechs for sourcing and quote support.

NEUTRIK NJ3FP6C, ready to order.
- Connector: 1/4" phone jack, locking, chassis mount
- Format: D-size (31 x 26 mm)
- Contact Plating: 2 µm Silver
- Housing: Metal, nickel finish
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