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Graco 100181 Nut

The Graco 100181 Nut is a genuine OEM square nut designed for secure fastening in Graco elevator and pump support assemblies. Built with durable material and standard 5/16-18 thread for reliable performance.

  • Part Number: 100181
  • Type: Square Nut
  • Thread Size: 5/16-18 (UNC)
  • Used In: Elevator & Pump Support Assemblies
  • OEM: Genuine Graco Replacement

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Graco 100181 Nut — Specs, Uses & Compatibility

Compatible Machines

This Graco 100181 Nut (5/16-18 square nut) appears in the parts lists of the following Graco assemblies/models:

  • Graco Elevator / Pump Support — Model 237746 (Series A)
  • Graco Elevator / Pump Support — Model 237747 (Series A)
  • Graco Elevator / Pump Support — Model 241663 (Series A)
  • Graco Elevator (Support & Mounting Brackets, Series C) — per manual 306-568

At-a-Glance Specifications

Attribute Detail
Graco Part # 100181
Type Square nut
Thread Size 5/16-18 (UNC)
Common Use Mounting, brackets, and support hardware on Elevator/Pump Support assemblies
OEM Status Genuine Graco replacement hardware

Product Overview

The Graco 100181 Nut is an OEM square nut with 5/16-18 threads used throughout Graco Elevator and Pump Support frames. As a standardized fastening component, it secures covers, supports, and brackets within these assemblies. Using the correct OEM nut helps maintain proper clamping force and equipment reliability.

What’s Included

  • 1 × Graco 100181 OEM square nut (5/16-18)

Frequently Asked Questions

Functionally it is a 5/16-18 square nut, but use OEM Graco 100181 to match specifications, finish, and fit as listed in Graco parts manuals.

Verified examples include Elevator/Pump Support models 237746 (Series A), 237747 (Series A), 241663 (Series A) and Elevator (Support & Mounting Brackets, Series C) as referenced in Graco manuals (e.g., 306-287, 306-568). Always confirm against your unit’s manual.

Quantity varies by assembly (e.g., cover supports or mounting brackets may use multiple). Check the exploded diagram and BOM for your specific series and serial.

It’s not recommended. OEM hardware helps maintain the intended clamp load and durability. Mixing hardware can affect safety and long-term reliability.

Use your model’s official Graco parts manual (by series and serial range). Look for part #100181 in the BOM for Elevator/Pump Support or related sub-assemblies.

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