Product details

Plug, Male Pin connector; configuration: Crimp; impedance 50Ohm; mounting Free Hanging (In-Line)

Name: 31-321
SKU: 31-321

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

Part number (MPN)

31-321

Impedance

50Ohm

Need a custom version from drawing?

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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• Share the reference MPN and source brand if it matters.
• Add the BOM and volume split for production projects.
• Attach the drawing or the key fit requirements.

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Specifications

31-321

Specifications for 31-321
Interface	Coaxial Connectors (RF)
Impedance	50Ohm
Termination	Crimp
Mounting	Free Hanging (In-Line)
Body Material	Brass
Part Number	31-321
IP rating	In Stock. Alternative Models Available.
Lifecycle	New From This Manufacturer
Delivery	DHL、UPS、FedEx、Registered Mail
Payment	T/T Paypal Visa MoneyGram Western Union
More Information	31-321 More Information
ECAD	Request Free CAD Models

Show 6 more specs

Model Number	31-321
Category	Coaxial Connectors (RF)
Body Finish	Nickel
Operating Temperature	-65°C~165°C
Electrical Rating	500 V
Signal Performance	0.2dB

Description

Current reference data for 31-321: 50Ohm · Free Hanging (In-Line) · Crimp. The catalog currently lists the configuration as: Crimp. Impedance is listed as 50Ohm. If that parameter is critical, confirm it again in RFQ. Mounting is listed as Free Hanging (In-Line). 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. 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.

Drawing / spec review MOQ / lead-time check RF connectors Adapters Cable assemblies

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).

Need a brand replacement workflow? Open the general brief → Need an approved alternative or cost-down workflow? Open the procurement brief →

Related RF sourcing routes

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

Brand replacement briefs SMA alternatives from China BNC connector equivalents N Type RF replacement Custom RF cable from drawing

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Engineer checklist (key parameters)

Interface Coaxial Connectors (RF)

Impedance 50Ohm

Mounting Free Hanging (In-Line)

Termination Crimp

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

FAQ

What is the impedance of 31-321?

Our catalog lists the impedance for 31-321 as: 50Ohm. If impedance is critical for your application, include the requirement in your RFQ and we will confirm.

What mounting style does 31-321 use?

Our catalog lists the mounting style for 31-321 as: Free Hanging (In-Line). If you have panel/bulkhead/flange constraints, attach a drawing in the RFQ.

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Supports exact, prefix, and partial matching.

000-10400 000-1 00010400

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.