2-1/2 inches by 3-1/2 inches w/flat-back base; designed w/convex surface to grind a concave surface
No other part numbers with same form, fit, and function found.
A tool with a known surface diopter curvature used in the grinding or polishing of lens blanks to a prescribed surface having unequal radii of curvature.
Classification: Other ophthalmic instruments and appliances and parts and accessories
NSN 5930-00-025-0273
NSN 6110-00-486-0514
NSN 6130-01-005-7572
NSN 6220-01-272-3177
NSN 5915-00-321-1662
NSN 6150-00-185-9995
NSN 5985-01-442-7661
NSN 4140-01-527-1579
NSN 5985-01-379-2513
NSN 5999-01-188-7811
NSN 6150-00-942-9239
NSN 5895-00-119-8600