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Graco 101961 Screw Thumb

Graco 101961 Screw, Thumb is a genuine OEM fastener designed for tool-free tightening in Graco pump systems. Ideal for quick adjustments and secure assembly.

  • Thread Size: 1/4-20 UNC
  • Length: Approx. 1.5"
  • Used In: President 10:1 & Monark 5:1 Airless Spray Pumps
  • Type: Knurled thumb screw for easy hand tightening

$15.81
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Quick Compatibility & Specs

Compatible Machines

This Graco 101961 Screw, Thumb appears in OEM parts lists for the following pump systems:

  • Graco President 10:1 Airless Spray Pump — Stainless Steel Displacement Pump (Drum-type)
  • Graco Monark 5:1 Airless Spray Pump

Product Overview

The Graco 101961 Screw, Thumb is a knurled, hand-tightened fastener used on select Graco industrial pump assemblies (e.g., bung/adaptor or bracketed locations). It enables quick, tool-free adjustment and secure retention.

Key Specifications

OEM Part Number 101961
Description Screw, Thumb (knurled head for tool-free use)
Thread/Size* 1/4-20 UNC (listed at approx. 1.5" length in one OEM parts guide)
Typical Application Adapter/bung brackets, covers, and accessory retention points on select Graco pump systems
Material/Finish OEM-grade hardware (spec varies by production lot; use per machine manual)

Fitment & Verification Tips

  • Match the part callout “Screw, Thumb (101961)” in your exact model’s parts diagram.
  • Confirm the threaded location (e.g., adapter/bung bracket) and required length.
  • When in doubt, cross-reference by model family (e.g., President 10:1, Monark 5:1) and assembly figure number.

Frequently Asked Questions

Yes. 101961 is an OEM Graco hardware item listed as Screw, Thumb in Graco parts literature for select pump assemblies.

Parts guides list 1/4-20 UNC thread, commonly shown at ~1.5" length in certain assemblies. Always confirm your model’s diagram to verify the exact spec used on your unit.

It’s commonly used for hand-tightened retention points (e.g., bung/adapter brackets or covers) on pump systems such as President 10:1 and Monark 5:1.

Check your model’s OEM parts manual/diagram and look for the exact callout “Screw, Thumb — 101961.” Verify the assembly figure and location (thread size/length) before ordering.

For safety and reliability, use the OEM Graco 101961 where specified. If a substitute is considered, it must match thread (1/4-20 UNC), length, head style, and material—and should be verified against the OEM manual.

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