Focal no. 1.50 for age 47 to 50
NSN 4140-01-192-8696
NSN 7035-01-477-2818
NSN 6620-00-248-6950
NSN 5925-00-554-4114
NSN 6220-00-220-5617
NSN 5855-01-100-3272
NSN 6610-01-406-4985
NSN 5855-00-079-2370
NSN 6620-01-169-6590
NSN 6240-00-146-9322
NSN 5960-00-170-6447
NSN 6110-01-525-4722