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National Stock Number:
6540-00-221-5985
Federal Supply Class:
6540
National Item Identification Number:
002215985
Description:
LENS,OPHTHALMIC,COMPOUND
Detail:
A TRANSPARENT OPTICAL ELEMENT HAVING A SPHERICAL CURVE AND A CYLINDRICAL CURVE USED TO CORRECT VISION DEFECTS 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:
| DIAMETER | 55.0 MILLIMETERS MINIMUM AND 62.0 MILLIMETERS MAXIMUM | | BASE CURVE DIOPTER | 7.50 MINUS NOMINAL | | CROSS CURVE DIOPTER | 2.00 PLUS NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | SPHEROCYLINDER COMPOUND | | HEIGHT | 52.0 MILLIMETERS MINIMUM AND 60.0 MILLIMETERS MAXIMUM | | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 4 STYLE AND F CLASS | | LIGHT TRANSMISSION | UNTINTED | | MATERIAL AND LOCATION | GLASS SINGLE VISION | | WIDTH | 52.0 MILLIMETERS MINIMUM AND 60.0 MILLIMETERS MAXIMUM | | STYLE DESIGNATOR | ROUND-RECTANGULAR WITH ROUNDED CORNERS |
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