22305965 is an OEM union fitting that connects the air/oil cooler to the thermal valve block. This was commonly used on the first generation UP6 5-15C models as well as several 5-15HP Unigy and IRN7.5-15 VSD rotary screw compressors.
This fitting is .875 -16 SAE Straight Thread. An o-ring is included with this fitting.
This is an OEM part manufactured by Ingersoll Rand.
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