Type schematic (not to scale) of a MIG nozzle, labelled with the printed tip position, size and nozzle mount cited in the specifications below; this part's outside diameter, bore and length are not in our sources.

CM Industries R401-47-51 MIG nozzle

CM Industries R401-47-51 Nozzle 1/2", 1/8" Tip Recess, Copper, Thread-On: size 1/2 in, tip position 1/8" Tip Recess, material Copper; cross-reference: Tregaskiss 401-47-51.

MIG nozzles · All CM Industries part numbers

A cylindrical nickel-plated MIG welding nozzle with a blue insulator ring, lying on a white surface — A typical MIG nozzle — not necessarily this part. Photo: “Mig 1” by Victorvs, CC0, via Wikimedia Commons (resized).

Specifications

Size	1/2 in
Tip position	1/8" Tip Recess
Material	Copper
Nozzle mount	Thread-On

All specifications: Single source printed by CM Industries; not corroborated

Cross-references

	Part	Manufacturer	Size	Tip position	Material	Relationship	Evidence
	401-47-51	Tregaskiss	1/2 in	1/8" Tip Recess	Copper	OE number	Single source stated by CM Industries; not corroborated

CM Industries prints CM Part # R401-47-51 against OEM Part # 401-47-51

Related parts

Sources

CM Industries — Tregaskiss® Complete Parts ListCM Industries · cross-reference tool · row 82 · supports cross-references, specifications