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		                        | National Stock Number:
 6540-00-001-0608
 
 Federal Supply Class:
 6540
 
 National Item Identification Number:
 000010608
 
 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:
 
 | MILL36824 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |  | P2.50M3.25,8.50BC,71MM,CR-39 | 2T804 | ATLANTA/OLYMPIC OPTICAL CO |  | P250M325 | 92083 | HIS VISION INC | 
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 Techincal Specification:
 
 | BASE CURVE DIOPTER | 8.50 PLUS NOMINAL |  | CROSS-SECTIONAL SHAPE STYLE | SPHEROCYLINDER COMPOUND |  | CYLINDER CURVE INSIDE DIOPTER | 3.25 MINUS MAXIMUM |  | DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY DIAMETER |  | DIAMETER | 71.0 MILLIMETERS MINIMUM |  | LIGHT TRANSMISSION | UNTINTED |  | MATERIAL | PLASTIC SINGLE VISION |  | PART NAME ASSIGNED BY CONTROLLING AGENCY | LENS OPHTHALMIC COMPOUND PLASTIC PLUS 2.50 ON MINUS 3.25 |  | NONDEFINITIVE SPEC/STD DATA | 3 STYLE AND B CLASS |  | SPHERE CURVE INSIDE DIOPTER | 2.50 PLUS MAXIMUM |  | STYLE DESIGNATOR | ROUND |  | SUPPLEMENTARY FEATURES | UNCUT |  | THICKNESS | 1.6 MILLIMETERS NOMINAL | 
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