Hardened case for the slit light ophthalmic end item nsn 6540-01-520-7942. Found in army assemblage n315, medical materiel set eye exam clinic: depmeds
NSN 5930-01-107-2325
NSN 6685-01-081-4095
NSN 5925-01-023-6900
NSN 6645-01-227-2036
NSN 2925-00-982-0409
NSN 6650-01-348-8792
NSN 7035-01-145-5059
NSN 5835-01-582-6045
NSN 5999-00-237-2845
NSN 5935-00-519-0281
NSN 6220-01-427-2333
NSN 5935-01-389-0019