■ 1/64 in, radius 



0.125 in. 

 r~ 0.120 in. 



1.960 in. 



1.940 in. 



1.750 in. 



1.999 in. 



1.998 in. 



t - 3/4 in. (nominal) 



(a) 



DZl 



0.150 in. 

 I t - 3/4 in. (nominal) 



(b) 



3.960 in. 



t - 3/4 in. (nominal) 



(c) 



0.125 in. 

 [~ 0.120 in. 



3.750 in. 



3.999 in. 



0.160 in. 



'--h 



0.150 in. 



■y t = 3/4 in. (nominal) 



(d) 



Indicates maximum and minimun dimensions allowable 



Figure A-3. Details of flat acrylic windows used in investigation 

 of window mountings. 



22 



