HRA bolt marked UW

[Shake Rag]

I was looking at my HRA today and noticed the bolt was marked "UW" and "HRA". I didn't see this listed on the few parts ID pages I look at. Is this a common bolt? The only thing I could find was that it was evidently made by Universal Windings. TIA for any info.

Information

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[gad]

I have a late S/N 5,7XX,XXX HRA with that UW bolt. This one was from the DCM in 1992. I have seen them on a lot of late HRA's.

[George Sr.]

I believe they were a later HRA bolt, usually in the 5.7 mil. area.They were manufactured by Universal Winding.