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National Stock Number:
6540-00-782-2485
Federal Supply Class:
6540
National Item Identification Number:
007822485
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:
| MILL16991 | 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 | 3.50 MINUS NOMINAL | | CROSS CURVE DIOPTER | 3.50 MINUS NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | SPHERE | | DIAMETER | 54.0 MILLIMETERS MINIMUM AND 62.0 MILLIMETERS MAXIMUM | | HEIGHT | 52.0 MILLIMETERS MINIMUM AND 60.0 MILLIMETERS MAXIMUM | | LIGHT TRANSMISSION | UNTINTED | | PART NAME ASSIGNED BY CONTROLLING AGENCY | LENS OPHTHALMIC SIMPLE MINUS 3.50 SPHERE | | MATERIAL | GLASS SINGLE VISION | | NONDEFINITIVE SPEC/STD DATA | 3 TYPE AND 1 STYLE AND E CLASS | | WIDTH | 52.0 MILLIMETERS MINIMUM AND 60.0 MILLIMETERS MAXIMUM | | STYLE DESIGNATOR | ROUND-RECTANGULAR WITH ROUNDED CORNERS | | SUPPLEMENTARY FEATURES | UNCUT | | THICKNESS | 3.0 MILLIMETERS NOMINAL |
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