Focal no. 1.50 for age 47 to 50
NSN 5945-00-460-1727
NSN 6240-01-461-8193
NSN 5925-01-023-9116
NSN 2925-01-191-9668
NSN 5915-00-170-3178
NSN 6240-01-555-1262
NSN 4140-00-631-7178
NSN 5998-01-399-0615
NSN 5905-01-403-2806
NSN 6610-01-250-9327
NSN 6240-01-424-0980
NSN 5895-01-453-5868