Case for the phoropter minus cylindrical lens type end item nsn 6540-00-877-6464. Found in army unit assemblage n315, medical materiel set eye exam clinic: depmeds
NSN 5855-00-361-0167
NSN 6645-00-192-1152
NSN 5935-01-656-4607
NSN 5835-01-327-6324
NSN 6130-00-299-6920
NSN 6240-01-566-2143
NSN 6685-00-169-6505
NSN 5835-00-240-9838
NSN 5855-00-821-7512
NSN 6610-00-034-3709
NSN 5996-00-940-3314
NSN 4140-01-176-6876