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Graco 101960 Nut

The Graco 101960 Nut is a genuine fastener used in Endura-Flo diaphragm pumps to secure manifold and valve components. Designed for precision fit and durability, it helps maintain reliable operation under demanding pump conditions.

  • OEM-grade fastener ensuring exact fit and sealing integrity
  • Compatible with Endura-Flo 3D150, 4D150, 3D350, and 4D350 pumps
  • Recommended for regular maintenance or component replacement

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Compatibility & Key Details – Graco 101960 Nut

Compatible Machines

  • Endura-Flo 3D150 series
  • Endura-Flo 4D150 series
  • Endura-Flo 3D350 series
  • Endura-Flo 4D350 series

What is the Graco 101960 Nut?

The 101960 is a genuine Graco fastener (nut) used within select Endura-Flo diaphragm pump assemblies. It secures internal components and should be replaced with OEM parts to maintain fit, sealing integrity, and service life.

Specifications

Part Number 101960
Item Type Nut (OEM fastener)
Primary Application Internal fastening in Endura-Flo pump assemblies (e.g., manifold / valve related sub-assemblies)
Typical Quantity in Assembly* Often used in pairs or small sets (verify per model’s parts list)
Material / Finish Not explicitly specified in public parts summaries; use genuine Graco replacement
Notes Confirm torque and thread condition during service; match to your exact pump model and revision

Key Benefits

  • OEM fit for Endura-Flo series ensuring proper alignment and sealing
  • Maintains reliability of high-duty diaphragm pump assemblies
  • Supports correct torque retention and service procedures

Installation Tips

  • Inspect mating threads; replace any damaged fasteners or distorted hardware
  • Follow the pump’s service manual for torque values and sequence
  • Re-check fastener security after initial run-in if specified by the manual

Frequently Asked Questions

No. It is used on specific Endura-Flo models (listed above). Always confirm against your pump’s parts list or serial plate revision.
Check the service manual or exploded diagram for your exact Endura-Flo model (e.g., 3D150, 4D150, 3D350, 4D350). Quantity may vary by sub-assembly and revision.
Torque is model- and location-specific. Refer to the manual for the correct value and fastening sequence to avoid leaks or premature wear.
Only if threads are clean and undamaged. Replace any fastener showing rounding, corrosion, or thread deformation; use genuine Graco parts.
Cross-check your pump’s exact model and build date against a Graco parts list or contact support with the serial number to confirm if 101960 applies.

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