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		                        | National Stock Number:
 6540-01-477-6881
 
 Federal Supply Class:
 6540
 
 National Item Identification Number:
 014776881
 
 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:
 
 | SI-40NB-00-230 | U5963 | ALLERGAN LTD |  | SI40NB0230 | 24172 | ALLERGAN INC | 
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 Techincal Specification:
 
 | DIAMETER | 13.0 MILLIMETERS NOMINAL |  | LIGHT TRANSMISSION | TINTED |  | MATERIAL | PLASTIC BIFOCAL |  | SPECIAL FEATURES | DIAMETER 6.0 MILLIMETERS; THEORETICAL DEPTH 4.7 MILLIMETERS; ANGLE 10 DEGREES; AIR WEIGHT 21.0 MG; WATER WEIGHT 21.0 MG; SIZE OF LENS 230 |  | STYLE DESIGNATOR | ROUND |  | THICKNESS | 0.9 MILLIMETERS NOMINAL | 
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