LINCOLN ELECTRIC Nozzle: 3/4 in, Conical, 1/8 in Stickout

The LINCOLN ELECTRIC Magnum Pro 550A Nozzle (MPN KP2743-1-75S) is a conical, threaded nozzle with a 3/4 in diameter and a 1/8 in stickout, designed for use with the Magnum Pro 550 MIG gun series and Magnum Pro 550A…

SKU 3G-OTH-356323

Brand

LINCOLN ELECTRIC

Item

Nozzle: 3/4 in, Conical, 1/8 in Stickout

Technical Specifications

LINCOLN ELECTRIC

Manufacturer Part Number

KP2743-1-75S 

For MIG Gun Series

Magnum Pro 550 

For Contact Tip Series

Magnum Pro 550A 

Nozzle to Tip Relationship

1/8 in Stickout 

View Full Spec Sheet

Technical Documents

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LINCOLN ELECTRIC Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the LINCOLN ELECTRIC Magnum Pro 550A Nozzle used for?

This conical, threaded nozzle directs shielding gas in MIG welding applications. It is designed for the Magnum Pro 550 MIG gun series and Magnum Pro 550A contact tip series, ensuring proper gas coverage and arc stability during heavy-duty industrial welding.

What are the specifications of the LINCOLN ELECTRIC Nozzle KP2743-1-75S?

The LINCOLN ELECTRIC Nozzle KP2743-1-75S has a 3/4 in diameter, conical shape, and 1/8 in stickout. It is threaded and compatible with the Magnum Pro 550 MIG gun series and Magnum Pro 550A contact tip series. The manufacturer part number is KP2743-1-75S.

Where to buy LINCOLN ELECTRIC Nozzle KP2743-1-75S worldwide?

3G Electric supplies the LINCOLN ELECTRIC Nozzle KP2743-1-75S worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this genuine LINCOLN ELECTRIC nozzle for your welding operations.

How to install the LINCOLN ELECTRIC Magnum Pro 550A Nozzle?

To install, thread the nozzle onto the Magnum Pro 550 MIG gun until snug. Ensure the 1/8 in stickout aligns with the contact tip for proper gas flow. Avoid overtightening to prevent damage. Always follow the LINCOLN ELECTRIC manual for safe installation and maintenance.

Used in

Common applications for LINCOLN ELECTRIC

General steel fabrication — Lincoln Electric UltraCore HD-12C flux-cored wire (E71T-12C, 0.052 in) for single- or multiple-pass welding on carbon steel.

All-position welding with AC power — Lincoln Electric Fleetweld 180 stick electrode (E6011, 5/32 in) for repair and maintenance on galvanized or painted steel.

Severe abrasion resistance — Lincoln Electric Wearshield ME hardfacing electrode (1/8 in, 55 HRC) for earthmoving equipment and crusher components.

Multiprocess welding — Lincoln Electric Flextec 500X with LF-74 wire feeder for switching between MIG, stick, and TIG processes in fabrication shops.

TIG welding with improved gas coverage — Lincoln Electric gas lens (45V44, 3/32 in max electrode) for precision welding of stainless steel or aluminum.

MIG welding of carbon steel — Lincoln Electric ER70S-3 wire (0.035 in, 60 lb spool) for general fabrication and structural welding.

LINCOLN ELECTRIC Products

3G Electric supplies LINCOLN ELECTRIC magnum pro 550a nozzles. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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