Ophthalmic lens blocking body (NSN 6540-01-157-4833)
Special Features
Concave on one side, flat on the other; 0.438 in. Thk; for ophthalmic lens center order 6540-01-154-2163; for holding and supporting lens blanks during grinding and polishing
Description
Carbon material.
Part Name Assigned By Controlling Agency
Blocking body ophthalmic lens carbon steel 6.00 diopter curve