Graco 100179 Nut Hex Mscr

The Graco 100179 Nut, Hex MSCR is an OEM #10-24 hex nut used across multiple Graco assemblies. Ideal for maintenance and part replacements in sprayers and marking systems.

Part Number: 100179
Thread Size: #10-24
Material: Carbon steel
Used In: HydraMax 225/300/350 & ThermoLazer ProMelt units
Application: Fastening components in Graco spray and pavement marking systems

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Description

High-fit OEM fastener: Graco 100179 Nut, Hex MSCR — specs, uses & compatible machines

Compatible Machines

The Graco 100179 Nut, Hex MSCR appears across multiple Graco assemblies. Confirm with your model’s parts diagram before ordering.

ThermoLazer / ThermoLazer ProMelt Pavement Marking Systems — Models 24H622, 24H625 (listed in Graco parts manual)
HydraMax 225 — 233640 (Direct Immersion), 233641 (30-GAL Suction), 233642 (Direct Immersion w/Gun & Hose), 233643 (30-GAL Suction w/Gun & Hose)
HydraMax 300 — 233650 (30-GAL Suction), 233651 (30-GAL Suction w/Gun & Hose)
HydraMax 350 — 233660 (30-GAL Suction), 233661 (30-GAL Suction w/Gun & Hose)

What it is

OEM hex nut for Graco equipment, designated “Nut, Hex MSCR”. Commonly used on brackets, guards, and accessory kits. Verified in multiple Graco technical manuals and model diagrams.

Quick Specifications

Attribute	Detail
Part Number	100179
Description	Nut, Hex MSCR (OEM fastener)
Thread	#10-24 (shown in Graco accessory manual)
Material	Carbon steel (per accessory/kit parts lists)
Typical Use	General hardware for Graco sprayers, pavement marking systems, and accessory kits (e.g., hose reels, agitator/cover kits)

Fit Guidance

Match your model number and check the exploded view/parts list for item 100179.
Confirm the thread size and the assembly location (guard, bracket, enclosure, accessory kit).
For older units, verify against any service bulletins or superseded hardware.

Frequently Asked Questions

It is a standard #10-24 hex nut referenced in many Graco diagrams. Use your model’s parts list to confirm the exact item number rather than substituting by size alone.

Yes, multiple HydraMax 225/300/350 and ThermoLazer / ProMelt models list 100179. Check your exact model/diagram to confirm placement.

Graco typically specifies torque in the assembly’s service manual (not the generic hardware page). Follow the torque listed for the specific sub-assembly where the nut is used.

No. Order washers/screws separately as listed for your model (e.g., lock washers or specific #10-24 machine screws shown in the diagram).