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 5975-01-621-7879
NSN 5920-00-271-3217
NSN 6105-01-554-7230
NSN 5920-01-053-6507
NSN 6135-01-319-5567
NSN 6135-01-465-8061
NSN 5855-01-481-8529
NSN 6240-01-103-7515
NSN 5915-01-025-5119
NSN 5905-00-877-3840
NSN 5835-01-527-2629
NSN 6135-01-547-3983