Graco 15N121 Spacer, Nozzle, 0.4Mm, Wc

Graco 15N121 tungsten carbide nozzle spacer — precision spacer for consistent spray alignment and pattern quality.

Brand: Graco
Type: Nozzle spacer
Application: Spray nozzle alignment and spacing
Fit / Ports: 0.4 mm WC nozzle spacing
Material: Wear‑resistant WC (tungsten carbide)

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Description

Compatible Machines / Systems

Nozzle assemblies and LASD guns requiring 0.4 mm spacer — e.g., SST Switch 3D and other Graco precision spray guns. ([turn0search0][turn0search2])
Industrial spray systems using tungsten carbide nozzle components for durability and consistent spray patterns. ([turn0search0])

Manufacturer	Graco
Model Number	15N121
Type	Nozzle spacer
Center Section Material	WC (tungsten carbide)
Port Size	0.4 mm spray gap
Air Inlet	Not applicable
Wetted Material	Tungsten carbide
Compatible Media	Paints, coatings, adhesives for precision spray systems

Frequently Asked Questions

What does this nozzle spacer do?

The 15N121 nozzle spacer positions and aligns the spray nozzle with precise 0.4 mm spacing for consistent spray patterns and coverage. ([turn0search0])

Why is tungsten carbide used?

WC (tungsten carbide) is used because it’s extremely wear‑resistant and maintains precise openings under high pressure. ([turn0search0])

Is this an OEM Graco part?

Yes — 15N121 is a genuine Graco OEM nozzle spacer. ([turn0search2])

Can this improve spray quality?

Proper nozzle spacing helps maintain consistent patterns and can reduce overspray and wasted material when correctly installed.

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