mil-m-3171 coating

huangyhg

mil-m-3171 coating
coating requirment please explain how this materail is applied and to what extent does it affect the dimensional requirements of machined part after application.  is it necessary to make allowance for coating?
khi...
re: mil-m-3171 [now: ams-m-3171] coating... which "type"???
regards, wil taylor
the coating is applied as a type vi
khi...
ref ty vi: as with most chem films, there is virtually no measureable thickness +/- change. there will probably be an increased thickness of +0.0001-inch (+0.0025-mm)... if it could be measured (i doubt if conventional measurement instruments would see any difference).
regards, wil taylor
khi,
here is the link to the old mil spec.