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National Stock Number:
6540-00-042-8507
Federal Supply Class:
6540
National Item Identification Number:
000428507
Description:
LENS,OPHTHALMIC,SPHERE
Detail:
A TRANSPARENT OPTICAL ELEMENT HAVING EQUAL SPHERICAL DIOPTER CURVATURES USED TO CORRECT HYPEROPIC (FARSIGHTEDNESS) OR MYOPIC (NEARSIGHTEDNESS) CONDITIONS OF THE EYE.
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Manufacturer Information:
| MILL36460 | 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 DIOPTER | 4.25 MINUS NOMINAL | | CROSS CURVE DIOPTER | 4.25 MINUS NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | SPHERE | | DIAMETER | 58.0 MILLIMETERS NOMINAL | | LIGHT TRANSMISSION | TINTED | | MATERIAL | GLASS SINGLE VISION | | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 1 STYLE AND C CLASS | | PART NAME ASSIGNED BY CONTROLLING AGENCY | LENS OPHTHALMIC SIMPLE MINUS 4.25 SPHERE | | STYLE DESIGNATOR | ROUND | | SUPPLEMENTARY FEATURES | UNCUT | | THICKNESS | 2.0 MILLIMETERS NOMINAL | | TINTED AREA LIGHT TRANSMITTANCE IN PERCENT | 31.0 |
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