20200102_183321.jpg I've seen a lot of versions of these on the internet, but mine are brass. I'm 100% sure they are original, but never seen another pair. Whats the history???
1936/37 Battery Cover Wingnuts
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Well, mine have the same shape as yours and are made of steel ,cad plated:
Never got a satisfying answer about mine but I assume the material changed over from brass into steel around 41 when brass was needed for war purposes.
Rein
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1930 to 1949 used cad plated brass with solid wings.Battery wingnuts.jpg Mine don't have the recessed wings. Any info on why?
1950 to 1964 used zinc alloy with wing indents. (like the photo)
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The wing nuts on my unrestored 1937 ULH are brass; identical to Shinedog's. No cad plating. Possibly over the years the battery acid fumes have eaten away the plating??? I have several of the dimpled ones that I got from an old Harley dealer. They are called 66387-26. Just another example of Harley changing the part but not the part number.
Dave
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My thought is that they were probably cad plated brass. Cad is not a real durable finish compared to zinc or chrome.Originally posted by ammorest View PostThe wing nuts on my unrestored 1937 ULH are brass; identical to Shinedog's. No cad plating. Possibly over the years the battery acid fumes have eaten away the plating??? I have several of the dimpled ones that I got from an old Harley dealer. They are called 66387-26. Just another example of Harley changing the part but not the part number.
Dave
Jerry
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