I have not been able to find anything under "instaloc" but I did find Push-Lok by Parker Hannifin,
The fittings are 82 series and use 836 series hose. The fittings are re-usable and require no clamps or special crimpers.
The hose is rated at 250 psi and 300 degrees for petroleum oils, hydraulic oils and diesel when using the 82 series fittings.
Looks like a flare nut and flaring the tubing is the only trick.
I am wondering if the push-lock fitting could be brazed or silver soldered to the tube to get around flaring the tube?

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Darrell

1984 300SD "Ole Girl"
207K