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

CM Industries R401-5-50 MIG nozzle

CM Industries R401-5-50 Nozzle 1/2" I.D. Copper: bore 1/2 in, material Copper; cross-reference: Tregaskiss 401-5-50.

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

Bore	1/2 in
Material	Copper

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

Cross-references

	Part	Manufacturer	Bore	Material	Relationship	Evidence
	401-5-50	Tregaskiss	1/2 in	Copper	OE number	Single source stated by CM Industries; not corroborated

CM Industries prints CM Part # R401-5-50 against OEM Part # 401-5-50

Related parts

Sources

CM Industries — Tregaskiss® Complete Parts ListCM Industries · cross-reference tool · row 74 · supports cross-references, specifications