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National Stock Number:
6540-01-310-4965
Federal Supply Class:
6540
National Item Identification Number:
013104965
Description:
LENS BLANK,OPHTHALMIC,BIFOCAL,SE
Detail:
A TRANSPARENT OPTICAL ELEMENT CONSISTING OF A MAJOR BLANK AND A BIFOCAL SEGMENT. THE BLANK AND SEGMENT HAVE BEEN PRESSED IN A GLASS MOLD TO AN APPROXIMATE SIZE AND SHAPE, AND ARE GROUND AND POLISHED TO A FINISHED DIOPTER CURVATURE ON ONE SURFACE ONLY.
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Manufacturer Information:
| 89-6-19-25 | 66732 | DEPARTMENT OF THE ARMY U S ARMY MEDICAL MATERIAL AGENCY MCMR-MMO-SA | | A89E197 | 66732 | DEPARTMENT OF THE ARMY U S ARMY MEDICAL MATERIAL AGENCY MCMR-MMO-SA | | P6.25 BC P3.00 ADD | 0FWW0 | ICARE INDUSTRIES INC |
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Techincal Specification:
| ADDITIONAL POWER RATING IN DIOPTERS | 3.000 BIFOCAL | | BASE CURVE DIOPTER | 6.25 PLUS NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | SPHERE | | DIAMETER | 66.0 MILLIMETERS NOMINAL | | LIGHT TRANSMISSION | UNTINTED | | MATERIAL | PLASTIC OVERALL | | READING SEGMENT HEIGHT | 17.500 INCHES NOMINAL | | READING SEGMENT DIAMETER | 25.0 MILLIMETERS NOMINAL | | SPECIAL FEATURES | FLAT TOP; CR-39; SEGMENT POSITIONED 5 MM BELOW AND 5 MM IN FROM GEOMETRIC CENTER FOR RIGHT AND LEFT LENSES (PORM 2 MM) | | STYLE DESIGNATOR | ROUND WITH STRAIGHT TOP BIFOCAL SEGMENT | | THICKNESS | 7.5 MILLIMETERS NOMINAL |
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