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National Stock Number:
6540-01-273-8621
Federal Supply Class:
6540
National Item Identification Number:
012738621
Description:
LENS BLANK,OPHTHALMIC,SPHERE,SEM
Detail:
A TRANSPARENT MOLDED OPTICAL ELEMENT HAVING EQUAL SPHERICAL DIOPTER CURVATURES, AN APPROXIMATE SIZE AND SHAPE, AND HAS BEEN GROUND AND POLISHED TO A FINISHED CURVATURE ON ONE SURFACE ONLY.
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Manufacturer Information:
| P4.25 | 31285 | GERBER COBURN OPTICAL INDUSTRIES INC |
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Techincal Specification:
| CROSS-SECTIONAL SHAPE STYLE | SPHERE | | DIAMETER | 71.0 MILLIMETERS NOMINAL | | HEIGHT | 71.0 MILLIMETERS NOMINAL | | LIGHT TRANSMISSION | UNTINTED | | PART NAME ASSIGNED BY CONTROLLING AGENCY | LENS BLANK OPHTH A1 RECT ROUND CORNERS 71X71X71X2.2MM +4.25 | | MATERIAL | GLASS SODA-LIME SINGLE VISION | | SPECIAL FEATURES | UNCUT | | SPHERE CURVE INSIDE DIOPTER | 4.25 PLUS NOMINAL | | STYLE DESIGNATOR | ROUND-RECTANGULAR WITH ROUNDED CORNERS | | WIDTH | 71.0 MILLIMETERS NOMINAL | | THICKNESS | 2.2 MILLIMETERS NOMINAL |
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