AFIK nope 2 different systems, MS is for a lot of military Hardware some of which winds uop in Aircraft, but NAS replaced the old AN for Aerospace work. Here is a link to both http://www.lib.iastate.edu/services1/ref/standards.html Bill
> It seems the MS system has replaced the NAS...am I > correct in this or am I reading wrong? > > --- w.higdon9...@comcast.net wrote: > > > Scott, > > Along tima ago I worked with Ti Bolts on F-4's. > > There is a NAS spec for them, and if they meet or > > exceed the strength for AN Bolts, us them and if the > > FAA questions then show them the Spec. > > Bill Higdon > > > > > > > > > > Ok.....I've done my homework and I understand the > > > difference between ASE graded hardware and AN > > standard > > > hardware. Has anyone here used titanium bolts in > > thier > > > airframe? Other than FAA examiner scrutiny (such > > as > > > with the WAF) is there any reason not to use them > > > besides price? > > > > > > > > > Scott
