Odd Socket wrench from Boeing Surplus

I have been trying to spend donation moeny at Boeing Surplus for the last 2 weeks. We have 1 week left and besides a HUGE score of aluminum today it has
been pretty tedious.
With no large items, that we can use, available from Boeing it is a bit of a challenge to spend this money.
I have been buying box after box of air tools from the toolroom and anything else from the main floor that is at all interesting.
I have been buying a LOT of socket wrenches, and box-end wrenches of all sizes.
I tend to just fill buckets without bothering to size the items.
I was sorting a lot of them today and discovered a very odd socket.
2 of them in fact.
The socket is marked in SAE and Metric. 25/32" and 19.8MM
I have never in my life seen a socket of this size or ever seen a nut it would fit. One of the sockets was made by Easco and the other by Armstrong.
Just wondering if anybody has ever seen one before.
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snipped-for-privacy@stagesmith.com says...

Yes -- got it at Boeing Surplus and never had a use for it.
--
snipped-for-privacy@phred.org is Joshua Putnam
<http://www.phred.org/~josh/
  Click to see the full signature.
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Ernie Leimkuhler wrote:

Fits 1/2" Whit & BSF bolts & nuts, another made by US makers was marked 19/32" and fitted 3/8" Whit & BSF bolts etc..
Tom
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If senility hasn't set in, it's for "heavy " nuts, probably in an older Machinery's. Bob

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IIRC 25/32" used to be quite comon on some older vehicles in the USA. I have a few of the 25/32" box wrenches I acquired from grandfather and fathers collection of tools, and they all appear to be well used.........I do know that 25/32" was used on the 1949/50 Mercury Club Coupe on the steering gear, but its highly unlikely Boeing would be working on a Merc Club Coupe, unless maybeas a project for one of the CEO's ;-) Visit my website: http://www.frugalmachinist.com Opinions expressed are those of my wife, I had no input whatsoever. Remove "nospam" from email addy.
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It may of been used on Boeing 707 engine mount bolts. If there is any aircraft mechanics from the early Boeing 707 era they may know!
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