|
|
|
National Stock Number:
6540-00-764-2259
Federal Supply Class:
6540
National Item Identification Number:
007642259
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.
|
Manufacturer Information:
| MILL16991A | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
|
Techincal Specification:
| STYLE DESIGNATOR | ROUND | | MATERIAL AND LOCATION | GLASS OVERALL | | BASE CURVE DIOPTER | 0.56 PLUS MINIMUM AND 0.68 PLUS MAXIMUM | | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 1 STYLE AND E CLASS OR 54 SIZE | | SPECIAL PACKAGING | PR OF IDENTICAL LENSES | | CROSS-SECTIONAL SHAPE STYLE | SPHERE | | DIAMETER | 52.0 MILLIMETERS MINIMUM AND 56.0 MILLIMETERS MAXIMUM | | LIGHT TRANSMISSION | UNTINTED | | CROSS CURVE DIOPTER | 0.56 PLUS MINIMUM AND 0.68 PLUS MAXIMUM | | DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY SIZE |
|