Prism, tonometer 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 6145-01-506-0672
NSN 5998-01-145-9343
NSN 6220-01-202-7954
NSN 6130-01-461-9748
NSN 5915-01-045-8128
NSN 5930-01-561-7015
NSN 5915-01-454-0459
NSN 5905-00-113-2846
NSN 5990-00-772-9277
NSN 5945-00-244-1579
NSN 5910-01-544-4410
NSN 6135-01-038-6225