NSN 6540-00-655-8668

Part Details | CYLINDRICAL OPHTHALMIC LAP

6540-00-655-8668 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.

Alternate Parts: MILL36224, 6540-00-655-8668, 00-655-8668, 6540006558668, 006558668

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
65JAN 01, 196300-655-866819985 ( LAP, OPHTHALMIC, CYLINDRICAL )
REFERENCE DRAWINGS & PICTURES

CYLINDER, CONVEX

Cross Reference | NSN 6540-00-655-8668
Part Number Cage Code Manufacturer
MILL3622481349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
Technical Data | NSN 6540-00-655-8668
Characteristic Specifications
STYLE DESIGNATOR CYLINDER, CONVEX
MATERIAL AND LOCATION IRON, CAST OVERALL
BASE CURVE IN DIOPTERS3.500
CROSS CURVE IN DIOPTERS5.000
FINISH INDICATOR FINISHED
SPECIAL FEATURESFLAT-BACK BASE,CONVEX SURFACE TO GRIND CONCAVE
PART NAME ASSIGNED BY CONTROLLING AGENCYLAP OPHTHALMIC CYLINDRICAL C5 CYLINDER CONVEX IRON 3.5X5DIOPTERS