NSN 6540-00-164-4705

Part Details | COMPOUND OPHTHALMIC LENS

6540-00-164-4705 A transparent optical element having a spherical curve and a cylindrical curve used to correct vision defects of the eye.

Alternate Parts: MILL16991, 6540-00-164-4705, 00-164-4705, 6540001644705, 001644705

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
65JAN 01, 196300-164-470504121 ( LENS, OPHTHALMIC, COMPOUND )
REFERENCE DRAWINGS & PICTURES

SPHEROCYLINDER COMPOUND

LENS,OPHTHALMIC,COM | 6540-00-164-4705, 001644705

ROUND-RECTANGULAR WITH ROUNDED CORNERS

LENS,OPHTHALMIC,COM | 6540-00-164-4705, 001644705
Cross Reference | NSN 6540-00-164-4705
Part Number Cage Code Manufacturer
MILL1699181349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
Technical Data | NSN 6540-00-164-4705
Characteristic Specifications
STYLE DESIGNATOR ROUND-RECTANGULAR WITH ROUNDED CORNERS
DIAMETER54.0 MILLIMETERS MINIMUM AND 65.0 MILLIMETERS MAXIMUM
WIDTH52.0 MILLIMETERS MINIMUM AND 60.0 MILLIMETERS MAXIMUM
HEIGHT52.0 MILLIMETERS MINIMUM AND 60.0 MILLIMETERS MAXIMUM
THICKNESS2.0 MILLIMETERS NOMINAL
MATERIAL AND LOCATION GLASS, SODA-LIME SINGLE VISION
LIGHT TRANSMISSION UNTINTED
CROSS-SECTIONAL SHAPE STYLE SPHEROCYLINDER COMPOUND
SPHERE CURVE OUTSIDE DIOPTER4.50 PLUS MAXIMUM
CYLINDER CURVE OUTSIDE DIOPTER3.50 PLUS MAXIMUM
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 3 STYLE AND F CLASS
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY MAXIMUM DIAMETER
SUPPLEMENTARY FEATURESUNCUT
PART NAME ASSIGNED BY CONTROLLING AGENCYLENS OPHTHALMIC COMPOUND PLUS 4.50 WITH PLUS 3.50