Truth manufacturer, arms PN 40511 & 30895 casting PN45002
A quick learner from White Rock, New Mexico says:
June 10, 2017
This is the crank for a casement window tht cranks up from the bottom the internal casting threads stripped out and it connects to the window with two slots and a cam lock retainer
Paul from SWISCO responded:
June 13, 2017
This looks like our 39-083 Awning Operator. Check it out and let me know what you think!