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Graco 102039 Pin Spring .250 X 1.500

The Graco 102039 Pin Spring (.250" × 1.500") is a genuine OEM fastener designed to secure and align components in Graco industrial pumps, ensuring stability and proper operation.

  • Used in Senator, Bulldog, and King series pumps
  • Dimensions: 0.250" diameter × 1.500" length
  • Durable tension pin for bleeder valve assemblies
  • Maintains alignment under vibration

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Overview & Key Details

The Graco 102039 Pin Spring .250 × 1.500 is an OEM fastener used within select Graco industrial pumps (bleeder valve assemblies and related hardware). Always verify against your unit’s parts list before ordering.

Compatible Machines

  • 15:1 Senator Pump — Model 222518 (Power-Flo family)
  • 25:1 Bulldog Pumps — Models 222527, 222528, 223985, 223986
  • 55:1 King Pumps — Models 222545, 223992

Part Specifications

OEM Part Number 102039
Part Name Pin, Spring (roll/tension pin)
Dimensions 0.250" diameter × 1.500" length
Typical Assembly Location Bleeder Valve Assembly (206256) on the above pumps
Function Secures/locates small components within the bleeder valve; maintains alignment under vibration
Category Genuine Graco replacement parts / fasteners

Notes & Fitment Guidance

  • Use only genuine parts to maintain performance and safety.
  • Match size (.250" × 1.500") and part number (102039) to your unit’s illustrated parts list.
  • If your model is not listed above, check its manual/parts book for “PIN, spring 102039”.

Frequently Asked Questions

If your parts diagram lists 102039 as the PIN, spring within the bleeder valve (assembly 206256), this is the correct OEM piece. Verify by model number and serial tag before ordering.

The nominal size is 0.250" (¼") diameter by 1.500" length, a common roll/tension pin format used for secure, vibration-resistant fastening.

It appears in select Power-Flo industrial pumps spanning Senator, Bulldog, and King models listed above. Always confirm in your unit’s manual.

Follow the service steps in your pump’s manual. Depressurize the system, remove the bleeder valve components, and install the Pin Spring 102039 as shown in the parts drawing. Replace worn components together for best results.

Possibly. Some Graco equipment reuses fastener sizes across platforms. However, only install 102039 where your exact model’s parts list specifies it.

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