A-A-50227 1986 Edition, October 29, 1986
T-SQUARES (METAL, WOOD, AND PLASTIC)
Includes all amendments and changes through Validation Notice 3, March 5, 2007
The General Services Administration has authorized the use of this commercial item description in preference to Military Specification MIL-T-10629.
This description covers wood and plastic T-squares used in general drafting practice and layout work and allows for ordering of a metal construction where a heavy and rigid T-square is desired.