Eaton
Eaton Aeroquip 1A4BF4 BSPP Straight G 1/4 Fitting
BSPP straight hydraulic crimp fitting with 1/4 inch female thread for dash-size -4 hose assemblies
- BSPP straight thread ensures leak-free hydraulic connections
- Female 1/4 in G 1/4 fitting matches dash -4 hose size
- Compatible with 2661, EC110, EC115, EC118, EC210, EC215 series hoses
- Also fits FC310, FC510, FC579, FC611, FC619, FC639, FC839B hose families
- Works with GH120, GH194, GH195, GH663, GH681-6, GH781, GH793 hydraulic hoses
Hydraulic Crimp Fitting for 1/4 in Hose
The Eaton Aeroquip 1A4BF4 is a straight BSPP hydraulic crimp fitting designed for hose dash size -4 with a 1/4 in inner diameter. It suits fluid-power systems that require a female-threaded, swivel connection on the hose end. The fitting is supplied new and intended for professional hydraulic assembly work.
Replaces worn or damaged BSPP straight fittings
Upgrade when an existing G 1/4 straight fitting shows leakage, thread damage or corrosion that compromises system pressure integrity. The jump is worth it if the current fitting cannot be reliably re-torqued or if the hose assembly must meet current Eaton crimp specifications for the listed hose series.
Verify hose series and crimp compatibility before
Confirm that your hose belongs to one of the supported series such as EC110, EC115, EC118, EC210, EC215, FC310, FC510, FC579, FC611, FC619, FC639, FC693, FC735, FC849, GH120, GH194, GH195, GH663, GH681, GH781, GH793 or 2661. Ensure your crimp equipment can produce the correct crimp diameter for dash size -4 hose. Buyers who need a different thread type, a non-swivel fitting or a larger hose dash size cannot use this part.
Highlights
- BSPP straight thread ensures leak-free hydraulic connections
- Female 1/4 in G 1/4 fitting matches dash -4 hose size
- Compatible with 2661, EC110, EC115, EC118, EC210, EC215 series hoses
- Also fits FC310, FC510, FC579, FC611, FC619, FC639, FC839B hose families
- Works with GH120, GH194, GH195, GH663, GH681-6, GH781, GH793 hydraulic hoses
Specifications
| Brand | EATON AEROQUIP |
|---|
Questions about this item
What hose dash size and thread size does the 1A4BF4 fitting require for a proper fit?
The fitting is built for hose dash size -4 and a 1/4 in.-19 BSPP thread, so the hose and port must match those dimensions exactly.
How is the 1A4BF4 crimp fitting installed, and what step is often missed?
It is a crimp-style fitting; the hose must be fully inserted before crimping, and the crimp diameter must match the specified hose series — skipping the full-insertion check is the common error.
Which compatible hose series should be inspected or replaced when servicing this fitting later?
The fitting works with series 2661 (-12 through -32), EC110, EC115, EC118, EC210, EC215, FC310, FC510, FC579, FC611, FC619 (-12 through -32), FC639/FC839B, FC693, FC735, FC849/FC849B, GH120, GH194, GH195, GH663, GH681-6, GH781 and GH793 — any of those hoses may need inspection or replacement over time.
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