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Note that the little two-pager I posted recommends NAS 6303 Series High Temperatuer Alloy Hex Bolts for your brake hat, coat, and walking stick.:cool:
"Identical in external configuration to the NAS 6203 series bolts listed above. Made from A286 stainless steel alloy, rated for 1200°F operation. Minimum tensile strength is 160,000 psi; minimum shear strength is 95,000 psi. The brake hat bolt of choice for all serious race cars." |
What I ordered was AN6-10A bolts. Five per hub on the front. They fit perfect!
Larry |
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Drive like Morris?!
Actually that’s what fits the holes in the hub. Wire wheel car. I’m not worried! Larry |
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FYI, per the manufacturer, genuine Aerotight steel nuts (non stainless) are grade 8 strength nuts.
Larry |
Anyone have a place to get Aerotight nuts that would have 7/16 20? I need some for the pins to the rear uprights. I made the pins with this thread on the ends.
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I bought nuts as well as other things from British Fasteners. https://britishfasteners.com/
Larry |
The standard MS21042L-7 (Cad plated) has been replaced by NASM21042 for Nut sizes of to -6
Larger -7 and up are covered under NAS1291-7 (Cad plated). Available from pretty much any aviation supply house. Aviall, Duncan, etc.... http://www.coastfab.com/uploads/4/1/...291_rev_13.pdf https://datasheetspdf.com/pdf-down/N...M21042-AIA.pdf A safe vendor to by from: (safe meaning everything comes with FAA 8130-3 forms for traceability. No chance of getting Chinese counterfeit hardware) NUT NAS1291-7 Mom and Pop hobby shops like Skygeek are sketchy on stocking levels. |
So far I have not been able to find 7 /16 20 aerotite nuts. Does anyone know if they available in this size.
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I misunderstood the request. I thought you were looking for aircraft quality hardware.
Here is a link to the aerotite hardware. Fastenerdata - Aerotight Nut - Fastener Specifications http://www.apexstainless.com/downloads |
Aerotight fasteners were developed for the aircraft industry. Most fasteners used throughout Cobras were from the aircraft industry.
7/16 UNC/UNF are advertised here: https://www.fastenright.com/general-...ight-nuts/sl01 Larry |
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Possibly in in the 1950s they were. If they had a Spec (MIL, NAS,MS, etc..) assigned to them they could be used in a Aerospace or Military application.
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They are advertised here btw but I’ve never bought from them: https://www.arunfasteners.co.uk/stoc...-locking-nuts/ Larry |
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Thanks for the nice words...I was obsessed in my younger days.....now I’m much more mellow and slower in my new life.....but I still build things to the best of my ability....and am trying to share as much knowledge as I can to help others..... |
I was usually a backmarker, but I did finish second to your first in the 1981 June Sprints. I did several IMSA races with Jack Buchinger in 280Z's. You might remember him.
Dave Miller |
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