Ink pad for the lens measuring instrument; end item nsn 6540-00-181-8037, found in army unit assemblage n315, medical materiel set eye exam clinic: depmeds
NSN 6135-01-558-4194
NSN 5930-00-258-5657
NSN 5950-00-885-2368
NSN 5999-00-234-8955
NSN 6130-01-397-1366
NSN 6130-01-579-7642
NSN 5975-01-634-0678
NSN 6610-01-169-1866
NSN 6135-01-027-7543
NSN 5930-01-077-4622
NSN 5960-00-584-4553
NSN 5999-00-010-1768