Product details

TNC Straight Crimp Jack RG-179 Belden 179DT Bulkhead Rear Mount 75 Ohm

Name: 122139
SKU: 122139

China-sourced compatible alternative — fit confirmed by drawing/spec review.

Part number (MPN)

122139

Impedance

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We coordinate supplier-qualified RF connector and cable assembly sourcing from drawings, samples, or BOM. Typical production lead time is 3–6 weeks after drawing/spec review; feasibility, MOQ, and fit are confirmed by RFQ.

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Lead time: 3–6 wks | MOQ: 200+ pcs

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• Attach the drawing or the key fit requirements.

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Specifications

122139

Specifications for 122139
Interface	RG-161, RG-179, RG-187, Belden 179DT, Belden 1520A, Belden 1521A, Belden 1522A, Belden 9221
Impedance	75
Gender	Jack
Orientation	Straight
Termination	Crimp
Termination	Cable - Crimp
Mounting	Bulkhead - Rear Mount
Body Material	Brass
Termination	Phosphor Bronze
Body Finish	Nickel
Termination	Gold
Coupling mechanism	Threaded

Show 11 more specs

Export Control Classification Number	EAR99
IP rating	Not Rated
Insulator Material	Delrin
Isolated	No
Low PIM	No
Mil Qualified	Not Mil Qualified
Non Magnetic	No
Ports	1 (Single Port)
Size Category	Miniature
Temp (Max Degrees Celsius)	85
Temp (Min Degrees Celsius)	-40

Description

Current reference data for 122139: 75 · Bulkhead - Rear Mount · Straight. The catalog currently lists the configuration as: Straight · Crimp. Impedance is listed as 75. If that parameter is critical, confirm it again in RFQ. Mounting is listed as Bulkhead - Rear Mount. If panel, bulkhead, or flange constraints matter, send the dimensions with the RFQ. Material is listed as Brass. That is useful for review, but it does not replace full project stack-up confirmation. The catalog also lists a sealing or protection value of Not Rated. Check that against the real environment requirement in RFQ. Use this page to shortlist before RFQ, not as the final sign-off.

Use this page to shortlist before RFQ. MOQ 200+ custom production and supply path are confirmed after drawing/spec/BOM review; no spot stock is assumed.

Request Quote (RFQ)

Cstone is a professional factory—not a trading company—specializing in RF and coaxial connectors, adapters, and cable assemblies, including N-type, BNC, SMA, SMP, SSMB, MMCX, and more. We manufacture custom connectors to 2D drawings or samples; fit, MOQ, lead time, and production details are confirmed by RFQ. Factory-made production to 2D drawings or samples; MOQ 200+ and typical 3–6 week lead time are confirmed after drawing/spec/BOM review. Physical inventory is not promised; production details are confirmed by RFQ.

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Why work with us?

Form-Fit-Function compatibility confirmed by drawing/spec review
Commercially competitive alternative for replacement and sourcing projects
MOQ 200+ and lead time confirmed by model, quantity, and supply path

Working hours: 10:00–20:00 (Beijing Time, UTC+8)

We typically reply within 1 business day (subject to workload and time zones).

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Related RF sourcing routes

If this MPN is only a reference point, continue with a replacement, equivalent, adapter, or drawing-based cable assembly review.

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Engineer checklist (key parameters)

Interface RG-161, RG-179, RG-187, Belden 179DT, Belden 1520A, Belden 1521A, Belden 1522A, Belden 9221

Gender Jack

Orientation Straight

Impedance 75

IP rating Not Rated

Coupling mechanism Threaded

Mounting Bulkhead - Rear Mount

Termination Crimp

Cable type RG-161, RG-179, RG-187, Belden 179DT, Belden 1520A, Belden 1521A, Belden 1522A, Belden 9221

Low PIM No

If these parameters are critical, include them in the RFQ.

FAQ

What mounting style does 122139 use?

Our catalog lists the mounting style for 122139 as: Bulkhead - Rear Mount. If you have panel/bulkhead/flange constraints, attach a drawing in the RFQ.

Is this an original part or an alternative/replacement?

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MPN Search Supports exact, prefix, and partial matching. ⌄

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Disclaimer

Manufacturer names, trademarks, symbols, and part numbers are used for identification and cross-reference only. Cstone Technology operates its own factory for RF/coaxial connectors, adapters, and cable assemblies and is not a trading company or affiliated with the original brands. Trademarks remain the property of their respective owners. Final suitability is confirmed by drawing/spec review during RFQ.