Focal no. 1.50 for age 47 to 50
NSN 5965-01-189-4805
NSN 5996-01-446-0568
NSN 6220-00-707-5044
NSN 6110-01-217-8817
NSN 5835-01-495-5986
NSN 6685-00-067-9314
NSN 6320-00-164-4087
NSN 6145-00-721-7907
NSN 5945-01-357-6624
NSN 6645-00-268-4042
NSN 5999-01-419-6121
NSN 6145-00-766-8437