Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
Image not available
AMPHENOL RFBNC Coaxial Connectors

AMPHENOL RF Connector: Male, Connector, Gold, Crimp-On (3 Piece), 4 GHz Max Freq, BNC

The AMPHENOL RF BNC Coaxial Connector (SKU 879A80, MPN 031-4427) is a male connector with a gold center contact and silver-plated body. It is a crimp-on (3 piece) design rated for a maximum frequency of 4 GHz and…

SKU 3G-OTH-420728

Brand
AMPHENOL RF
Item
Connector: Male, Connector, Gold, Crimp-On
Category
BNC Coaxial Connectors
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

AMPHENOL RF
Manufacturer Part Number
031-4427
Type
Connector, Gold, Crimp-On (3 Piece), BNC, Silver-Plated
GHz Max Freq
4
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

AMPHENOL RF Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The AMPHENOL RF BNC Coaxial Connector (SKU 879A80, MPN 031-4427) is a male connector with a gold center contact and silver-plated body. It is a crimp-on (3 piece) design rated for a maximum frequency of 4 GHz and complies with MIL-STD-348.

Frequently Asked Questions

What is the AMPHENOL RF BNC connector used for?

The AMPHENOL RF BNC connector is used for quick-connect/disconnect coaxial cable terminations in RF applications up to 4 GHz. It is common in telecommunications, test equipment, and broadcast systems where reliable signal integrity and MIL-STD-348 compliance are required.

What are the specifications of the AMPHENOL RF 031-4427 connector?

The AMPHENOL RF 031-4427 is a male BNC connector with a gold center contact and silver-plated body. It uses a crimp-on (3 piece) design, supports a maximum frequency of 4 GHz, and complies with MIL-STD-348. The gold contact ensures low resistance and corrosion resistance.

Where to buy AMPHENOL RF connectors worldwide?

3G Electric supplies AMPHENOL RF connectors worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on the 031-4427 or other AMPHENOL RF coaxial connectors.

How to install a crimp-on BNC connector like the AMPHENOL RF 031-4427?

Installation requires stripping the coaxial cable to the specified dimensions, sliding the crimp ferrule and body onto the cable, then crimping the center contact and ferrule with the correct die tool. Follow the manufacturer's data sheet for strip lengths and crimp force to ensure MIL-STD-348 compliance.

Used in

Common applications for AMPHENOL RF
Telecommunications base stations — Amphenol RF BNC male connectors (e.g., 031-202) for antenna and equipment interconnects
Broadcast video systems — Amphenol RF 75-ohm BNC connectors (e.g., 112123) for SDI and analog video signal routing
Military communications equipment — Amphenol RF MIL-spec TNC connectors (e.g., M39012/26-0011) for secure, vibration-resistant connections
Industrial instrumentation — Amphenol RF BNC bulkhead connectors (e.g., 031-2221) for panel-mounted test and measurement ports
RF test and measurement — Amphenol RF TNC female connectors (e.g., 122412) for spectrum analyzers and signal generators
CCTV and surveillance systems — Amphenol RF BNC connectors (e.g., 031-10-RFX) for coaxial cable terminations in camera installations

AMPHENOL RF Products

3G Electric supplies AMPHENOL RF bnc coaxial connectors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
AMPHENOL RF
AMPHENOL RF
AMPHENOL RF Connector: Male, Connector, Gold, Crimp-On (3 Piece), 4 GHz Max Freq, BNC, Silver-Plated (MPN 031-4320). Key specifications — attr930438: Connector; attr930422: AMPHENOL; attr930423: Gold; attr930429: Silver-Plated; attr930430: Male; attr976216: QPL Approved.
AMPHENOL RF
AMPHENOL RF
AMPHENOL RF Connector: Male, Connector, Gold, Crimp-On (3 Piece), 4 GHz Max Freq, BNC, Silver-Plated (MPN 031-4326). Key specifications — attr930438: Connector; attr930422: AMPHENOL; attr930423: Gold; attr930429: Silver-Plated; attr930430: Male; attr976216: MIL-STD-348.
AMPHENOL RF
AMPHENOL RF
AMPHENOL RF Connector: Male, Connector, Gold, Crimp-On (3 Piece), 4 GHz Max Freq, BNC, Nickel-Plated (MPN 031-320). Key specifications — attr930438: Connector; attr930422: AMPHENOL; attr930423: Gold; attr930429: Nickel-Plated; attr930430: Male.
AMPHENOL RF
AMPHENOL RF
AMPHENOL RF Connector: Male, Connector, Gold, Crimp-On, 4 GHz Max Freq, 50 ohm Max Impedance, BNC (MPN 031-315). Key specifications — attr930438: Connector; attr930422: AMPHENOL; attr930423: Gold; attr930429: Nickel-Plated; attr930430: Male.
AMPHENOL RF
AMPHENOL RF
AMPHENOL RF Connector: Male, Connector, Gold, Crimp-On (3 Piece), 4 GHz Max Freq, BNC, Nickel-Plated (MPN 031-320-RFX). Key specifications — attr930438: Connector; attr930422: AMPHENOL; attr930423: Gold; attr930429: Nickel-Plated; attr930430: Male.
AMPHENOL RF
AMPHENOL RF
AMPHENOL RF Connector: Male, Connector, Gold, Crimp-On, 4 GHz Max Freq, 50 ohm Max Impedance, BNC (MPN 031-315-RFX). Key specifications — attr930438: Connector; attr930422: AMPHENOL; attr930423: Gold; attr930429: Nickel-Plated; attr930430: Male.

More from AMPHENOL RF

View all AMPHENOL RF parts →
AMPHENOL RF
AMPHENOL RF
AMPHENOL RF Connector: Female, Bulkhead Connector, Solder Cup, Bulkhead Connector, 4 GHz Max Freq (MPN 031-2221). Key specifications — attr930438: Bulkhead Connector; attr930422: AMPHENOL; attr930429: Nickel-Plated; attr930430: Female; attr976216: Bulkhead Connector.
AMPHENOL RF
AMPHENOL RF
AMPHENOL RF Connector: Female, Bulkhead Connector, Solder Cup, Bulkhead Connector, 1 GHz Max Freq (MPN 031-10-RFX). Key specifications — attr930438: Bulkhead Connector; attr930422: AMPHENOL; attr930429: Nickel-Plated; attr930430: Female; attr976216: Bulkhead Connector.
AMPHENOL RF
AMPHENOL RF
AMPHENOL RF Connector: Male, Connector, Clamp-On, 4 GHz Max Freq, 50 ohm Max Impedance, BNC (MPN 031-202). Key specifications — attr930438: Connector; attr930422: AMPHENOL; attr930429: Nickel-Plated; attr930430: Male.
AMPHENOL RF
AMPHENOL RF
AMPHENOL RF Connector: Male, Connector, Crimp-On (3 Piece), 4 GHz Max Freq, 75 ohm Max Impedance (MPN 112123). Key specifications — attr930438: Connector; attr930422: AMPHENOL; attr930429: Nickel-Plated; attr930430: Male.
AMPHENOL RF
AMPHENOL RF
AMPHENOL RF Connector: Male, Connector, Crimp-On (3 Piece), 4 GHz Max Freq, 75 ohm Max Impedance (MPN 112133). Key specifications — attr930438: Connector; attr930422: AMPHENOL; attr930429: Nickel-Plated; attr930430: Male.
AMPHENOL RF
AMPHENOL RF
AMPHENOL RF Connector: Female, Panel-Mount Receptacle, Solder Cup, 4 GHz Max Freq, BNC (MPN 031-203). Key specifications — attr930438: Panel-Mount Receptacle; attr930422: AMPHENOL; attr930429: Nickel-Plated; attr930430: Female.
AMPHENOL RF
AMPHENOL RF
AMPHENOL RF Connector: Female, Bulkhead Connector, Solder Cup, Bulkhead Connector, 1 GHz Max Freq (MPN 031-10). Key specifications — attr930438: Bulkhead Connector; attr930422: AMPHENOL; attr930429: Nickel-Plated; attr930430: Female; attr976216: Bulkhead Connector.
AMPHENOL RF
AMPHENOL RF
AMPHENOL RF Connector: Female, Bulkhead Receptacle, Crimp-On (3 Piece), 4 GHz Max Freq, BNC (MPN 112624). Key specifications — attr930438: Bulkhead Receptacle; attr930422: AMPHENOL; attr930429: Nickel-Plated; attr930430: Female.