This specification provides a standard for the manufacture,
performance, reliability, inspection and procurement of a series
of horizontal and vertical spindle milling machines, lmee and bed
types, high and low speed.
and is not intended to limit design advances.
This standard lists
AIA/NAS NAS 909-1975 history
1975AIA/NAS NAS 909-1975 Milling Machines - General Purpose, Knee and Bed Types, Horizontal and Vertical (Rev. 3)