NSN 6540-00-655-8645

Part Details | CYLINDRICAL OPHTHALMIC LAP

6540-00-655-8645 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, 6540-00-655-8645, 00-655-8645, 6540006558645, 006558645

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
65JAN 01, 196300-655-864519985 ( LAP, OPHTHALMIC, CYLINDRICAL )
REFERENCE DRAWINGS & PICTURES

CYLINDER, CONVEX

Cross Reference | NSN 6540-00-655-8645
Part Number Cage Code Manufacturer
MILL3622481349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
Technical Data | NSN 6540-00-655-8645
Characteristic Specifications
STYLE DESIGNATOR CYLINDER, CONVEX
MATERIAL AND LOCATION IRON, CAST OVERALL
BASE CURVE IN DIOPTERS3.250
CROSS CURVE IN DIOPTERS5.500
FINISH INDICATOR FINISHED
SPECIAL FEATURESFLAT-BACK BASE; CONVEX SURFACE TO GRIND CONCAVE
PART NAME ASSIGNED BY CONTROLLING AGENCYLAP OPHTHALMIC CYLINDRICAL C5 CYL CONVEX IRON 3.25X5.5DIOPTERS