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Neutrik NJ3FC6-BAG Locking 1/4" 3-Pole Female Phone-Cable Jack

BH #NENJ3FC6BAG • MFR #NJ3FC6-BAG
4 reviews
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Neutrik NJ3FC6-BAG Locking 1/4" 3-Pole Female Phone-Cable Jack
Key Features
  • 3-Pole 1/4" Female Connection Point
  • For Use with Mono & Stereo Cables
  • Lock Prevents Accidental Disconnection
  • Black Metal Housing
The NJ3FC6-BAG from Neutrik is a 3-pole locking 1/4" cable jack useful in effecting secure, in-line connections—particularly in situations where intermittent shocks or vibrations could cause a chance of accidental disconnections. Any plug will lock in automatically to this jack when connected, and will only unlock once you press the on-board red release tab. The jack features silver contacts with a black metal housing, and it can mate with all compatible mono and stereo plugs.
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Neutrik NJ3FC6-BAG Overview

The NJ3FC6-BAG from Neutrik is a 3-pole locking 1/4" cable jack useful in effecting secure, in-line connections—particularly in situations where intermittent shocks or vibrations could cause a chance of accidental disconnections. Any plug will lock in automatically to this jack when connected, and will only unlock once you press the on-board red release tab. The jack features silver contacts with a black metal housing, and it can mate with all compatible mono and stereo plugs.

Secure locking cable jack
Mates with all mono and stereo plugs specified per the EIA RS-453 standard (A-gauge)
Robust metal shell for durability
Neutrik cable retention and boot
Solder terminals
Black metal housing
Silver contacts

Neutrik NJ3FC6-BAG Specs

Connection Type
Jack, female
Contact Resistance
Initial: <6 MOhms (inner)
Dielectric Strength
1 kVDC
Insulation Resistance
≥1 GOhm @ 500 VDC
Rated Current Per Contact
10 A
Cable O.D.
0.14 to 0.32" (3.5 to 8 mm)
Insertion Force
≤20 N
Withdrawal Force
≤20 N
Lifetime
>10,000 mating cycles
Lock
Locking Force: >80 N
Wire Size
1 mm2, 18 AWG
Wiring
Solder contacts
Locking Device
Latch lock
Boot
Polyurethane
Contact Plating
2 µm Ag
Contacts
Brass (CuZn37) (ground)
Insert
Polyamide (PA 6.6 30 % GR)
Shell
Zinc die-cast (ZnAl4Cu1)
Shell Plating
Black
Strain Relief
Polyacetal (POM)
Standard Compliance
EIA RS 453, IEC 60603-11
Solderability
Complies with IEC 68-2-20
Temperature Range
-13 to 158°F / -25 to 70°C
Dimensions
Length: 3.1 to 3.2" / 79 to 81 mm
Diameter: 0.8" / 19 mm
Packaging Info
Package Weight
0.08 lb
Box Dimensions (LxWxH)
3.3 x 1.45 x 0.7"

Neutrik NJ3FC6-BAG Reviews

Replacement TRS cable end

By Thomas
Rated 5 out of 5
Date: 2026-08-07

The female end of my Hosa HPE-325 headphone extension cable failed. This replacement did the trick. The tip conductor locking tab required slightly more opening up to lock consistently on my particular connector. The Assembly instructions from the Neutrik site were very informative. The Hosa cable o.d. is smallish so i shrank some marine heat shrink tubing where the connector chuck seated to the cable and the restraint is very good as Neutrik connector restraints are best.

High Quality Female 1/4 Jack

By Daniel Yee
Rated 5 out of 5
Date: 2015-02-17

One of the few manufacturers that make high quality strain relief 1/4 jacks. I kinda wish they updated this to the XX series.

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