I use Parker fittings for my braided teflon hoses, otherwise it is Aeroquip only. But I am using this on airplanes...
here is the best AN hardware book in the INDUSTRY..
https://www.askbob.aero/sites/default/files/Genuine_Aircraft_Hardware_Catalog.pdf

most people dont know that AN does not mean Air Force/Navy, it actually stood for Air Corps/Navy because the specs came out before there was an Air Force. Tim

1941 Taylorcraft
1968 Charger
1994 Wrangler
1998 Wrangler
2008 Kia Rio
2017 Jetta

I didn't do 4 years and 9 months of Graduate School to be called Mister!