swisco track slider, truth hardware part no. 39-529

A quick learner from aberdeen wash 98520 says:
August 31, 2022
Hi, is this the part that slides into bottom track and snaps onto arm end to make connection for casement window travel? as per Hy Lyte casement window 30 wide x 54 tall about 21 years old. Thank you.
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Tom from SWISCO responded:
September 2, 2022

Yes, the 39-529 is specifically designed to snap onto the end of the long arm for the 39-253LB and 39-253RB. It then slides along the 39-528 track.
Truth Hardware Track Slider
Truth Hardware Track Slider
39-529
$1.20
14-1/2" Casement Track, Truth
14-1/2" Casement Track, Truth
39-528
$2.95
Encore Dual Arm Operator, Sill Mount
Encore Dual Arm Operator, Sill Mount
39-253RB
$30.70
Encore Dual Arm Operator, Sill Mount
Encore Dual Arm Operator, Sill Mount
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$30.70
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