Chinrest for the slit light ophthalmic, end item nsn 6540-01-520-7942, found in army unit assemblage n315, medical materiel set eye exam clinic: depmeds
NSN 5910-01-415-1214
NSN 5835-01-612-4753
NSN 5945-00-035-9251
NSN 5960-01-579-9493
NSN 5950-01-520-7406
NSN 5920-00-841-2337
NSN 5950-00-588-2518
NSN 5990-00-600-6151
NSN 5855-01-142-7530
NSN 5998-01-182-8112
NSN 7035-01-579-3587
NSN 5996-01-250-0081