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

Tregaskiss 401-44-50C MIG nozzle

Tregaskiss 401-44-50C Nozzle 1/2", 1/4" Tip Stickout, Copper: size 1/2 in, material Copper; cross-reference: CM Industries R401-44-50C.

MIG nozzles · All Tregaskiss 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
Material	Copper

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

Cross-references

	Part	Manufacturer	Size	Material	Relationship	Evidence
	R401-44-50C	CM Industries	1/2 in	Copper	Aftermarket replacement	Single source stated by CM Industries; not corroborated

CM Industries prints CM Part # R401-44-50C against OEM Part # 401-44-50C

Related parts

Sources

CM Industries — Tregaskiss® Complete Parts ListCM Industries · cross-reference tool · row 76 · supports cross-references, specifications