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National Stock Number:
6540-00-655-8639
Federal Supply Class:
6540
National Item Identification Number:
006558639
Description:
LAP,OPHTHALMIC,CYLINDRICAL
Detail:
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.
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Manufacturer Information:
| MILL36224 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| BASE CURVE IN DIOPTERS | 3.250 | | CROSS CURVE IN DIOPTERS | 4.000 | | FINISH INDICATOR | FINISHED | | PART NAME ASSIGNED BY CONTROLLING AGENCY | LAP OPHTHALMIC CYLINDRICAL C5 CYL CONVEX IRON 3.25X4DIOPTERS | | MATERIAL AND LOCATION | IRON, CAST OVERALL | | SPECIAL FEATURES | FLAT-BACK BASE; CONVEX SURFACE TO GRIND CONCAVE | | STYLE DESIGNATOR | CYLINDER, CONVEX |
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