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Graco 100052 Lock Washer

Graco 100052 Lock Washer is a genuine replacement part designed to secure fasteners and prevent loosening caused by vibration or torque. Ideal for maintenance and repair of Graco surface prep and line striping machines.

  • Part Number: 100052 (also known as 100-052)
  • Type: Lock Washer – vibration-resistant
  • Compatible With: GrindLazer 270 (confirmed)
  • Also Appears On: RoadLazer & RoadPak models (verify via parts manual)
  • Material: Durable steel construction

$12.26
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Graco 100052 Lock Washer — Overview & Compatibility

Compatible Machines

This Graco 100052 Lock Washer is confirmed for the following machine(s). When replacing fasteners, always cross-check your unit’s parts manual.

  • GrindLazer 270 (confirmed)

Key Highlights

  • Genuine Graco spare part; part number 100052 (also seen as 100-052).
  • Type: Lock Washer — helps resist loosening caused by vibration and torque.
  • Ideal for routine maintenance and vibration-prone assemblies on line stripers and surface prep equipment.

Specifications

Attribute Detail
Manufacturer Graco
Part Number 100052 (aka 100-052)
Part Type Lock Washer, vibration-resistant
Typical Use Secures fasteners in high-vibration areas; helps maintain clamp load
Approx. Size/Weight ~0.65 in L/W, ~0.25 in H; ~0.01 lb
Material / Finish Steel (standard for lock washers)

Fitment & Usage Notes

  • Match by part number 100052 and diagram position in your unit’s parts manual.
  • Replace in sets when practical; mixing old and new hardware can affect clamp load.
  • Do not overtighten; use the torque spec for the associated bolt/screw in the service manual.

Frequently Asked Questions

For critical assemblies, use the exact Graco 100052 to maintain intended fit, hardness, and spring characteristics. Generic options may differ in thickness, OD/ID, or temper, affecting clamp load and longevity.

Check your unit’s parts manual for part number 100052. Confirm diagram position, quantity needed, and any supersessions. If your manual lists a different number, do not substitute unless Graco specifies an approved replacement.

Follow the service manual. Some joints rely on mechanical locking (washers) alone; others specify a threadlocker. Using both without guidance can alter clamp load and serviceability.

Torque is determined by the mating bolt size/grade and joint, not the washer itself. Refer to the torque table or specific procedure for your model (e.g., GrindLazer 270 section) to avoid over- or under-tightening.

Typically sold individually as part number 100052 unless your listing specifies a kit or multi-pack. Verify the “Qty” on the product page before ordering.

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