SWISCO - The Replacement Hardware Authority

Single Arm Crank Operator, 9-1/2"

Product Code: 39-138

Product Description
This front mount, single arm operator for a casement window provides arm movement for 90 degrees of the window opening. High-pressure die cast zinc case; hardened steel worm gear and gear arm with stainless steel roller. See SWISCO product code 39-139 for the opposite handed version.
Customer Questions & Answers
Discussion # Of Replies Last Post Date
Window handle and armThis discussion includes image(s). 2 May 23, 2017
Needing to source replacement parts for entire residence. Thank you.This discussion includes image(s). 2 May 22, 2017
Inoperable Jalousie WindowThis discussion includes image(s). 2 Feb 21, 2017
Window crankThis discussion includes image(s). 3 Jan 18, 2017
I NEED A NEW WINDOW CRANK FOR MY MILGARD WINDOWThis discussion includes image(s). 2 Oct 28, 2016
Version of the 39-023 with 9-1/2" long arm? 2 Jun 20, 2016
Arm length 2 May 11, 2016
39-138/9 quality, gasket 4 May 6, 2016
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