| GENERAL CHARACTERISTICS ITEM DESCRIPTION | MATL GLASS,HIGH VELOCITY,BULLETPROOF COMMERCIAL GRADE,LAMINATED THICKNESS; LAMINATIONS BONDED WITH COMMERCIAL GRADE POLYVINYL BUTYRAL 0.020 IN. MIN THK,LUMINOUS TRANSMITTANCE SHALL BE A MIN OF 65 PERCENT; BALLISTIC REQUIREMENTS - TRANSPARENT ARMOR SHALL PROVIDE PROTECTION AGAINST 7.62 MM BALL PROJECTILES STRIKING AT 0 DEGREES OBLIQUITY,40 METERS RANGE MAX 3 POUNDS WITHIN AN 8.000 IN. DIA AREA; NO BACK-SPALL; 7.960 IN. MIN LG,8.000 IN. MAX LG,3.970 IN. MIN W,4.000 IN. MAX W |