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Graco 102550 Hose Stud 3/4 M

The Graco 102550 Hose Stud 3/4 M is a genuine OEM barbed fitting designed for secure suction hose connection on Graco pumps.

  • Used in President 10:1 Hydra-Clean and other Graco pumps with 3/8 NPT(m) inlet fittings.
  • Connects the pump inlet to a 3/4″ ID suction hose.
  • Ensures leak-free priming and smooth fluid intake.

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Quick Compatibility & Overview

The Graco 102550 Hose Stud is an OEM barbed fitting used on the suction/intake side of select Graco pump assemblies. It threads into the pump inlet and accepts a slip-over suction hose. In Graco documentation it’s described as “Stud, barbed hose; 3/8 NPT(m)”; many Hydra-Clean assemblies pair it with a 3/4″ ID suction hose.

Compatible Machines

  • Graco President 10:1 Hydra-Clean pump units (models using this suction hose stud)
  • Graco pumps that specify a 3/8 NPT(m) suction-side barbed hose stud in their parts list (verify by model/serial)

Key Specifications

Graco Part # 102550
Item Name Hose Stud / Barbed Hose Fitting
Thread (Male) 3/8 NPT(m) (per Graco parts listing)
Typical Hose Pairing Commonly used with 3/4″ ID suction hose in Hydra-Clean assemblies
Installation Location Suction / intake side of pump (threads into pump inlet, hose slides over barb)
Also Described As “Stud, barbed hose; 3/8 NPT(m)” in Graco documentation

What It Does

  • Provides a secure, leak-resistant connection between the pump inlet and the suction hose.
  • Maintains proper flow on intake to protect pump priming and reduce cavitation risk.
  • OEM geometry ensures fit with Graco pump inlet threads and hose barb dimensions.

Fit & Selection Notes

  • Match the inlet thread spec (3/8 NPT male) on your pump.
  • Match the hose barb to your suction hose inside diameter (often 3/4″ ID in Hydra-Clean setups).
  • Always verify against your model’s parts manual before ordering.

Frequently Asked Questions

It fits Graco units that call out 102550 in the inlet/suction assembly—commonly the President 10:1 Hydra-Clean pump units and other pumps that specify a 3/8 NPT(m) barbed hose stud. Check your machine’s parts list to confirm.

102550 is the fitting (hose stud), not a hose. It threads into the pump inlet and the suction hose slides over its barb.

Many Hydra-Clean assemblies pair this stud with a 3/4″ ID suction hose. Always match the barb to your hose ID and follow your model’s manual.

Use thread sealant compatible with your coating, push the hose fully over the barb, and secure with a quality clamp. After installation, prime the pump and check for leaks at the inlet.

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