Focal no. 1.50 for age 47 to 50
NSN 6150-01-364-9904
NSN 6135-00-505-0679
NSN 6130-00-449-9674
NSN 5965-00-768-4366
NSN 6135-01-561-5945
NSN 6610-01-655-4737
NSN 5930-01-330-5938
NSN 5935-01-063-6865
NSN 5998-01-062-1404
NSN 5935-00-726-3969
NSN 6105-01-170-1115
NSN 6620-01-085-2915