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PARTS
MAGNUM
®
300 & 400 GMAW GUN
P-202-C.6P-202-C.6
05-03-2010
CHART A
Contact Tips/ Part Number English Metric
Gas Diffuser (Industry Ref.) Wire Size Wire Size
250A/350A
KP2744-035 or KP2744-035-B100
.035” 0.9 mm
KP2744-045 or KP2744-045-B100
.045” 1.2 mm
KP2744-052 or KP2744-052-B100
.052” 1.3 mm
KP2744-116 or KP2744-116-B100
1/16” 1.6 mm
KP2744-564 or KP2744-564-B100
5/64” 2.0 mm
450A/550A
KP2745-035 or KP2745-035-B100
.035” 0.9 mm
KP2745-045 or KP2745-045-B100
.045” 1.2 mm
KP2745-052 or KP2745-052-B100
.052” 1.3 mm
KP2745-116 or KP2745-116-B100
1/16” 1.6 mm
KP2745-564 or KP2745-564-B100
5/64” 2.0 mm
Gas Diffuser Asbly:
250A/350A Thread-On
KP2746-1 or KP2746-1-B25
250A/
350A Slip-On
KP2746-2 or KP2746-2-B25
450A/550A Thread-On
KP2747-1 or KP2747-1-B25
4
50A/550A Slip-On
KP2747-2 or KP2747-2-B25
CHART B
Gas Nozzles Part Number English Metric
(Industry Ref.) I.D. Size I.D. Size
250A/350A Thread-On
1/8” Recess KP2742-1-50R .50” 12.7 mm
KP2742-1-50R-B25 .50” 12.7 mm
KP2742-1-62R .625” 15.9 mm
KP2742-1-62R-B25 .625” 15.9 mm
Flush KP2742-1-50F .50” 12.7 mm
KP2742-1-50F-B25 .50” 12.7 mm
KP2742-1-62F .625” 15.9 mm
KP2742-1-62F-B25 .625” 15.9 mm
1/8” Stickout KP2742-1-50S .50” 12.7 mm
KP2742-1-50S-B25 .50” 12.7 mm
KP2742-1-62S .625” 15.9 mm
KP2742-1-62S-B25 .625” 15.9 mm
250A/350A Slip-On
1/8” Recess KP2742-2-50R .50” 12.7 mm
KP2742-2-50R-B25 .50” 12.7 mm
KP2742-2-62R .625” 15.9 mm
KP2742-2-62R-B25 .625” 15.9 mm
Flush KP2742-2-50F .50” 12.7 mm
KP2742-2-50F-B25 .50” 12.7 mm
KP2742-2-62F .625” 15.9 mm
KP2742-2-62F-B25 .625” 15.9 mm
1/8” Stickout KP2742-2-50S .50” 12.7 mm
KP2742-2-50S-B25 .50” 12.7 mm
KP2742-2-62S .625” 15.9 mm
KP2742-2-62S-B25 .625” 15.9 mm
450A/550A Thread-On
1/8” Recess KP2743-1-62R .625” 15.9 mm
KP2743-1-62R-B25 .625” 15.9 mm
KP2743-1-75R .75” 19.1 mm
KP2743-1-75R-B25 .75” 19.1 mm
Flush KP2743-1-62F .625” 15.9 mm
KP2743-1-62F-B25 .625” 15.9 mm
KP2743-1-75F .75” 19.1 mm
KP2743-1-75F-B25 .75” 19.1 mm
1/8” Stickout KP2743-1-62S .625” 15.9 mm
KP2743-1-62S-B25 .625” 15.9 mm
KP2743-1-75S .75” 19.1 mm
KP2743-1-75S-B25 .75” 19.1 mm
450A/550A Slip-On
1/8” Recess KP2743-2-62R .625” 15.9 mm
KP2743-2-62R-B25 .625” 15.9 mm
KP2743-2-75R .75” 19.1 mm
KP2743-2-75R-B25 .75” 19.1 mm
Flush KP2743-2-62F .625” 15.9 mm
KP2743-2-62F-B25 .625” 15.9 mm
KP2743-2-75F .75” 19.1 mm
KP2743-2-75F-B25 .75” 19.1 mm
1/8” Stickout KP2743-2-62S .625” 15.9 mm
KP2743-2-62S-B25 .625” 15.9 mm
KP2743-2-75S .75” 19.1 mm
KP2743-2-75S-B25 .75” 19.1 mm
CHART C (250/350/450 Amp)
Cable Liner Part Number English Metric
For Steel (Industry Ref.) Wire Size Wire Size
For 15 ft (4.5 m) KP44-3545-15 .035 - .045” 0.9-1.2 mm
and less KP44-116-15 .052 - 1/16” 1.3-1.6 mm
Trim to Fit KP44-564-15 1/16 - 5/64” 1.6-2.0 mm
KP42-25-15 .025-.030” 0.6-0.8 mm
For cables 25 ft KP44-3545-25 .035 - .045” 0.9-1.2 mm
(7.6 m) and less KP44-116-25 .052 - 1/16” 1.3-1.6 mm
Trim to Fit KP44-564-25 1/16 - 5/64ʼʼ 1.6-2.0 mm
Cable Liner Part Number English Metric
for Aluminum (Industry Ref.) Wire Size Wire Size
For 10 ft (3 m) KP1958-1 .030 - .035” 0.8-0.9 mm
Trim to Fit KP1958-5 .035 - 3/64” 0.9 - 1.2mm
KP1958-3 1/16” 1.6 mm
For 15 ft (4.5 m) KP1958-2 .030 - .035” 0.8-0.9 mm
Trim to Fit KP1958-6 .035 - 3/64” 0.9 - 1.2mm
KP1958-4 1/16” 1.6 mm
KP42N354515 .035 - 3/64” 0.9 - 1.2mm
KP1955-2 1/16” 1.6mm
CHART E
Gun Tube Part Number
60° KP2925-60 (300 Amp)
60° KP2926-60 (400 Amp)
CHART D
Insulators Part Number
250A/350A KP2773-2 or KP2773-2-B25
450A/550A KP2773-1 or KP2773-1-B25