GNC WirelessWeight GS-7006 manual

Question edited for clarity.

It appears to be an eBay special. you may be able to buy using the diameter. Shops that sell fasteners sell O-rings, but this is likely wider, so more a gasket.

https://www.google.com/search?q=GNC+Live+Well+Blender+BL3340+replacement+O-ring

https://www.google.com/search?q=GNC+Live+Well+Blender+BL3340+replacement+gasket

..

Follow the instructions you got with the scale or go to the website and download instructions for your model.

Do a Google search. Look for suppliers near you.
Here are examples:
http://www.bestbatt.com/Kodak-KLIC-7006-Battery-p/bbklic7006.htm
http://www.walmart.com/ip/Kodak-7006-Lithium-Ion-Rechargeable-Battery/15026818

these have a fusible link in line with motor normally
you will need a multi meter

Found this elsewhere on Fixya...447 worked for me. The player is actually a Funai and that's what the code is listed under. Hope that helps! You can also try the following 0258, 0458. GL!

Did you get any answers? I need a gasket for my HL-2571, Made by Home Life solutions. I've written them and have not heard back.
http://www.homelifesolutionsinc.com/contact/

call 1-800-645-3867. M-F. 8a-5p (est)

bodybuilding.com and gnc.com offer all kinds of protein bars. Check out these links: http://www.gnc.com/family/index.jsp?categoryId=11839529 and http://www.bodybuilding.com/store/bars.htm. I personally order from bodybuilding.com all the time and really enjoy their service. GNC offers free 2-day shipping, so they're a good choice as well.