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

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 KP2743-1-62R) is a conical, threaded nozzle with a 5/8 in size and a 1/8 in recess nozzle-to-tip relationship. It is designed for use with the Magnum Pro 550 MIG gun…

SKU 3G-OTH-356316

Also listed as: KP2743162R · KP2743 1 62R

Brand
LINCOLN ELECTRIC
Item
Magnum Pro 550A Nozzle
Category
Magnum Pro 550A Nozzles
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

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
KP2743-1-62R
For MIG Gun Series
Magnum Pro 550
For Contact Tip Series
Magnum Pro 550A
Nozzle to Tip Relationship
1/8 in Recess

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

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

Product Description

The LINCOLN ELECTRIC Magnum Pro 550A Nozzle (MPN KP2743-1-62R) is a conical, threaded nozzle with a 5/8 in size and a 1/8 in recess nozzle-to-tip relationship. 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 in MIG welding applications. It is designed for the Magnum Pro 550 MIG gun series and works with Magnum Pro 550A contact tips. Typical uses include heavy industrial fabrication, shipbuilding, and structural steel welding where consistent gas coverage is critical.

What are the specifications of the LINCOLN ELECTRIC KP2743-1-62R nozzle?

The KP2743-1-62R is a 5/8 in conical nozzle with a 1/8 in recess nozzle-to-tip relationship. It is threaded for secure attachment and is compatible with the Magnum Pro 550 MIG gun series and Magnum Pro 550A contact tip series. The brand is LINCOLN ELECTRIC.

Where to buy LINCOLN ELECTRIC KP2743-1-62R worldwide?

3G Electric supplies the LINCOLN ELECTRIC KP2743-1-62R nozzle to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this genuine LINCOLN ELECTRIC part.

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

To install, hand-thread the conical nozzle onto the Magnum Pro 550 MIG gun until snug. Ensure the 1/8 in recess aligns properly with the contact tip for correct gas flow. Do not overtighten. Always follow the LINCOLN ELECTRIC gun manual for torque specifications and safety precautions.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
This conical, flush, threaded nozzle is designed for the Magnum Pro 550 MIG gun series and Magnum Pro 550A contact tip series. It directs shielding gas and protects the contact tip during MIG welding, ensuring consistent gas coverage for quality welds
LINCOLN ELECTRIC
This conical, flush, threaded nozzle is designed for the Magnum Pro 550 MIG gun series and Magnum Pro 550A contact tip series. It directs shielding gas and protects the contact tip during MIG welding, ensuring consistent gas coverage for quality welds
This conical, flush, slip-on nozzle is designed for the Magnum Pro 550 MIG gun series and compatible with Magnum Pro 550A contact tips. It directs shielding gas over the weld pool and protects the contact tip from spatter. Suitable for industrial fabrication and heavy equipment manufacturing
LINCOLN ELECTRIC
This conical, flush, slip-on nozzle is designed for the Magnum Pro 550 MIG gun series and compatible with Magnum Pro 550A contact tips. It directs shielding gas over the weld pool and protects the contact tip from spatter. Suitable for industrial fabrication and heavy equipment manufacturing
Conical, threaded nozzle for MIG welding, designed for the Magnum Pro 550 MIG gun series and Magnum Pro 550A contact tip series. Provides 1/8 in stickout and directs shielding gas for arc stability in heavy-duty applications
LINCOLN ELECTRIC
Conical, threaded nozzle for MIG welding, designed for the Magnum Pro 550 MIG gun series and Magnum Pro 550A contact tip series. Provides 1/8 in stickout and directs shielding gas for arc stability in heavy-duty applications
This LINCOLN ELECTRIC nozzle is a 3/4 in conical, flush, slip-on nozzle from the Magnum Pro 550A series. It is designed for use with the Magnum Pro 550 MIG gun and Magnum Pro 550A contact tip series. The flush nozzle-to-tip relationship ensures proper gas coverage and tip protection in MIG welding applications
LINCOLN ELECTRIC
This LINCOLN ELECTRIC nozzle is a 3/4 in conical, flush, slip-on nozzle from the Magnum Pro 550A series. It is designed for use with the Magnum Pro 550 MIG gun and Magnum Pro 550A contact tip series. The flush nozzle-to-tip relationship ensures proper gas coverage and tip protection in MIG welding applications
This conical slip-on nozzle directs shielding gas and protects the contact tip during MIG welding. It has a 3/4 in diameter and a 1/8 in stickout nozzle-to-tip relationship. Designed for use with the Magnum Pro 550 MIG gun series and Magnum Pro 550A contact tip series
LINCOLN ELECTRIC
This conical slip-on nozzle directs shielding gas and protects the contact tip during MIG welding. It has a 3/4 in diameter and a 1/8 in stickout nozzle-to-tip relationship. Designed for use with the Magnum Pro 550 MIG gun series and Magnum Pro 550A contact tip series
This nozzle is designed for use with Magnum Pro 350A contact tips in MIG welding applications. It features a straight, threaded design with a 1/2 in diameter and provides a 1/8 in recess between nozzle and tip to direct shielding gas over the weld puddle
LINCOLN ELECTRIC
This nozzle is designed for use with Magnum Pro 350A contact tips in MIG welding applications. It features a straight, threaded design with a 1/2 in diameter and provides a 1/8 in recess between nozzle and tip to direct shielding gas over the weld puddle

More from LINCOLN ELECTRIC

View all LINCOLN ELECTRIC parts
LINCOLN ELECTRIC Magnum Pro 550A Nozzle (KP3161-1-62S) is a 5/8 in bottleneck nozzle with a 1/8 in stickout and threaded connection. Designed for use with Magnum Pro 550 MIG gun series and Magnum Pro 550A contact tip series. Directs shielding gas over the weld puddle for consistent arc performance
LINCOLN ELECTRIC
LINCOLN ELECTRIC Magnum Pro 550A Nozzle (KP3161-1-62S) is a 5/8 in bottleneck nozzle with a 1/8 in stickout and threaded connection. Designed for use with Magnum Pro 550 MIG gun series and Magnum Pro 550A contact tip series. Directs shielding gas over the weld puddle for consistent arc performance
This nozzle directs shielding gas and protects the contact tip during MIG welding. It is designed for the Magnum Pro 550 MIG gun and Magnum Pro 550A contact tip series, ensuring consistent gas coverage and weld quality in industrial fabrication
LINCOLN ELECTRIC
This nozzle directs shielding gas and protects the contact tip during MIG welding. It is designed for the Magnum Pro 550 MIG gun and Magnum Pro 550A contact tip series, ensuring consistent gas coverage and weld quality in industrial fabrication
Conical threaded nozzle for Magnum Pro 550 MIG guns. Directs shielding gas over the weld puddle and protects the contact tip from spatter and heat. Features a 3/4 in opening and 1/8 in recess relationship to the contact tip. Suitable for heavy industrial fabrication, shipbuilding, and structural steel welding
LINCOLN ELECTRIC
Conical threaded nozzle for Magnum Pro 550 MIG guns. Directs shielding gas over the weld puddle and protects the contact tip from spatter and heat. Features a 3/4 in opening and 1/8 in recess relationship to the contact tip. Suitable for heavy industrial fabrication, shipbuilding, and structural steel welding
Threaded bottleneck nozzle for Magnum Pro 550 MIG gun series. Provides a 1/8 in recess for the Magnum Pro 550A contact tip. Directs shielding gas and protects the contact tip during MIG welding
LINCOLN ELECTRIC
Threaded bottleneck nozzle for Magnum Pro 550 MIG gun series. Provides a 1/8 in recess for the Magnum Pro 550A contact tip. Directs shielding gas and protects the contact tip during MIG welding
This nozzle is designed for use with Magnum Pro 550 MIG guns and Magnum Pro 550A contact tips. It features a 5/8 in conical shape and a 1/8 in stickout nozzle-to-tip relationship. The slip-on attachment allows for quick installation. Commonly used in heavy-duty industrial welding applications to direct shielding gas and protect the contact tip
LINCOLN ELECTRIC
This nozzle is designed for use with Magnum Pro 550 MIG guns and Magnum Pro 550A contact tips. It features a 5/8 in conical shape and a 1/8 in stickout nozzle-to-tip relationship. The slip-on attachment allows for quick installation. Commonly used in heavy-duty industrial welding applications to direct shielding gas and protect the contact tip
Conical threaded nozzle for Magnum Pro 550 MIG gun series and Magnum Pro 550A contact tip series. Directs shielding gas and protects contact tip during MIG welding. Features 5/8 in diameter and 1/8 in stickout
LINCOLN ELECTRIC
Conical threaded nozzle for Magnum Pro 550 MIG gun series and Magnum Pro 550A contact tip series. Directs shielding gas and protects contact tip during MIG welding. Features 5/8 in diameter and 1/8 in stickout
This nozzle is designed for use with Magnum PRO MIG gun series and Magnum Pro 550A contact tip series. It features a straight, slip-on design with a 3/4 in recessed nozzle-to-tip relationship. The nickel-plated finish provides corrosion resistance. Suitable for MIG welding applications requiring recessed nozzle configuration
LINCOLN ELECTRIC
This nozzle is designed for use with Magnum PRO MIG gun series and Magnum Pro 550A contact tip series. It features a straight, slip-on design with a 3/4 in recessed nozzle-to-tip relationship. The nickel-plated finish provides corrosion resistance. Suitable for MIG welding applications requiring recessed nozzle configuration
This LINCOLN ELECTRIC nozzle is a 3/4 in conical, flush, threaded component for the Magnum Pro 550 MIG gun series and Magnum Pro 550A contact tip series. It directs shielding gas over the weld pool and protects the contact tip from spatter. The flush nozzle-to-tip relationship ensures consistent gas coverage for heavy industrial welding applications
LINCOLN ELECTRIC
This LINCOLN ELECTRIC nozzle is a 3/4 in conical, flush, threaded component for the Magnum Pro 550 MIG gun series and Magnum Pro 550A contact tip series. It directs shielding gas over the weld pool and protects the contact tip from spatter. The flush nozzle-to-tip relationship ensures consistent gas coverage for heavy industrial welding applications