231209 – Lube Zerk Fittings – Hex 312″ – Overall Len 406″ – Thread Size .250-28

SKU: 231209

$1.34

3 in stock

Description

231209 large needle grease zerk .250-28 thread. Hex 0.312″, OAL 0.406″. Large needle type — commonly used on CV shafts and driveshafts with wide-body grease ports.

Full Description

231209 is a large needle-type grease zerk with .250-28 thread. The "large needle" designation indicates that this fitting uses a larger-diameter internal check ball/needle assembly than a standard Alemite-style zerk, allowing higher grease flow volume per pump stroke. This fitting is described as commonly used on CV shafts (constant-velocity driveshafts) where grease distribution to a larger ball assembly benefits from higher flow.

  • Thread: .250-28
  • Hex: 0.312"
  • Overall Length: 0.406"
  • Style: Large needle type
  • Common use: CV shafts

The 0.406" overall length is shorter than the standard straight zerks (0.54"-0.78"), making this a low-profile fitting that minimizes projection above the yoke or shaft face. When a standard grease gun coupler does not seal well on a CV shaft grease port, changing to a large-needle fitting can improve grease delivery by reducing back-pressure at the check valve.

See all CV joint kits for CV shaft components requiring lube fittings.

Additional information
Hex312
Notescommonly used on cv shafts, large needle type zerk
Overall len406
Partn number231209
Thread size.250-28

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