TNC Connector Amp Male-Dual Crimp-RG142-400

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Part# 11-04447
MFR Model# 225555-6


TNC Connector

AMP Male

Dual Crimp - RG142-400

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Recommend watching installation video on you tube and buying a coaxial cable crimper

Barry G Verified Purchase


August 12, 2022

ENG_SS_408-2299-1_A.pdf Link to drawing at TE Conductivity Hope this helps

Jeffrey A
August 27, 2019

Search amphenol 225555-6 on the web, there is a drawing.

Jeffrey A
August 27, 2019

Good quality coax connector and easy to install. The small center pin can be crimped or soldered but the big sleeve must be crimped. It would be nice if the coax cut dimension were printed on the package. The can be found on the web.

December 16, 2018

The center pin on this is much harder to crimp than the BNC. Replacement pin is not available, so a failure means you just ruined an expensive connector.

Ron W
January 21, 2018

I am sure a good connector, but, there is a need for some instructions for assembly and notes providing information on appropriate crimping tools. I am finding that every manufacturer seems to use different crimping tools especially for the center pin. The big avionics shops probably have the correct information and tools, but they probably are not buying from Spruce. More information including name of Mfr. would be helpful.

Larry A
June 25, 2017

Good product but the spec sheet required crimper can cost you $3,300

Darrell M
January 13, 2020


Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: Are replacement pins available for this connector?

No, the manufacturer does not allow us to purchase the pins separately.

Q: What is the mfg. part number?

Manufacturer's part # is 225555-6.

Q: What crimp tools do you recommend for this connector?

Crimpers like 12-02378 or 12-01379 with its respective DIE.

Q: What is the outside diameter of the TNC so it will pass thru a bulkhead when installed on a cable? What size hole do I need?

The diameter is .64". So you will need at least that much of an opening to fit this through.

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