Window sash

A purchasing agent from VAFB says:
September 12, 2017
Good day, I attached several pictures regarding a window sash the number on the bar "28B" as you can tell from the pictures it is weathered. Please let me know if the part is still available, if there is a substitute, ETC.

Thank you for your time
Pivot shoe and channel balance
Profile picture of Casey
Casey from SWISCO responded:
September 15, 2017
Thanks for your inquiry. Our S770-28 with a 28B option would be the balance you need along with our 15-129 pivot shoe.
Pivot Shoe, 9/16" Thick
Pivot Shoe, 9/16" Thick
15-129
$2.50
28" Series 770 Balance
28" Series 770 Balance
S770-28
$12.70
How to replace a tilt-window channel balance.
How to replace a tilt-window channel balance.
VIDEO
WATCH >
How to Remove a Pivot Shoe (Cutout Method)
How to Remove a Pivot Shoe (Cutout Method)
VIDEO
WATCH >
How to remove window pivot shoes
How to remove window pivot shoes
VIDEO
WATCH >
Anatomy of a tilt window
Anatomy of a tilt window
VIDEO
WATCH >
Reply to Thread
Use this form to ask a follow-up question or to share your experience regarding this subject.
(your email address will be kept private and is only used to inform you when a response has been made)
Current wait time is 3-4 business days
We promise that one of our experts will personally get back to you as soon as they are able. Thank you very much for your patience and understanding. If your inquiry is time-sensitive, please feel free to reach us at (888) 991-1929 or at help@swisco.com.