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LINCOLN ELECTRIC Magnum Pro 550A Nozzle - Magnum Pro 550A Nozzles
LINCOLN ELECTRICMagnum Pro 550A Nozzles

LINCOLN ELECTRIC Magnum Pro 550A Nozzle

The LINCOLN ELECTRIC Magnum Pro 550A Nozzle (MPN KP2743-1-75R) is a conical, threaded nozzle with a 3/4 in opening and a 1/8 in recess relationship to the contact tip. It is designed for use with the Magnum Pro 550…

SKU 3G-OTH-356317

Also listed as: KP2743175R · KP2743 1 75R

Brand
LINCOLN ELECTRIC
Item
Magnum Pro 550A Nozzle
Part Number
KP2743-1-75R
Category
Magnum Pro 550A Nozzles
Available to Order
Also known as:KP2743-1-75RLINCOLN ELECTRIC
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

LINCOLN ELECTRIC
Manufacturer Part Number
KP2743-1-75R
For MIG Gun Series
Magnum Pro 550
For Contact Tip Series
Magnum Pro 550A
Nozzle to Tip Relationship
1/8 in Recess

Technical Documents

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LINCOLN ELECTRIC Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The LINCOLN ELECTRIC Magnum Pro 550A Nozzle (MPN KP2743-1-75R) is a conical, threaded nozzle with a 3/4 in opening and a 1/8 in recess relationship to the contact tip. It is designed for use with the Magnum Pro 550 MIG gun series and the Magnum Pro 550A contact tip series.

Frequently Asked Questions

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

This conical threaded nozzle directs shielding gas over the weld puddle on Magnum Pro 550 MIG guns. It protects the contact tip from spatter and heat, ensuring consistent arc performance in heavy industrial fabrication, shipbuilding, and structural steel welding.

What are the specifications of the LINCOLN ELECTRIC KP2743-1-75R nozzle?

The KP2743-1-75R is a 3/4 in opening conical nozzle with a 1/8 in recess to the contact tip. It is threaded for secure fitment and designed for the Magnum Pro 550 MIG gun series and Magnum Pro 550A contact tip series. Brand: LINCOLN ELECTRIC.

Where to buy LINCOLN ELECTRIC Magnum Pro 550A nozzles worldwide?

3G Electric supplies the LINCOLN ELECTRIC KP2743-1-75R nozzle to global customers. We handle full logistics, customs clearance, and delivery to your site worldwide. Contact us for a quote and lead time on this genuine LINCOLN ELECTRIC part.

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

Thread the nozzle onto the Magnum Pro 550 MIG gun neck until hand-tight. Ensure the 1/8 in recess between nozzle and contact tip is maintained for proper gas coverage. Avoid over-tightening to prevent thread damage. Always follow the gun manufacturer's instructions.

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.
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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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