Originally Posted by Naviator
It's an aviator Electra
Looks as though you are missing an adapter. The coach should present with a fitting with the pins on the OD of the fitting.(like your hose) The female slots then fit over the pins and tighten with a wedge effect on two of four pins. The fitting you pictured is not standard to the Industry in this Century.
You could buy the male pin pipefitting with a glue socket fit. Cut your pipe where its straight. Fabricate a new pipe hanger behind the new fitted adapter.