NSN 6540-00-001-0739

Part Details | COMPOUND OPHTHALMIC LENS

6540-00-001-0739 A transparent optical element having a spherical curve and a cylindrical curve used to correct vision defects of the eye.

Alternate Parts: M325M025, M325M25, 6540-00-001-0739, 00-001-0739, 6540000010739, 000010739

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
65DEC 17, 197100-001-073904121 ( LENS, OPHTHALMIC, COMPOUND )
REFERENCE DRAWINGS & PICTURES

SPHEROCYLINDER COMPOUND

ROUND

Cross Reference | NSN 6540-00-001-0739
Part Number Cage Code Manufacturer
M325M02592083HIS VISION INC
M325M258V333I F OPTICAL COMPANY INCDBA CHICAGO OPTICAL CO
Technical Data | NSN 6540-00-001-0739
Characteristic Specifications
STYLE DESIGNATOR ROUND
DIAMETER71.0 MILLIMETERS MINIMUM
THICKNESS1.6 MILLIMETERS NOMINAL
MATERIAL AND LOCATION PLASTIC SINGLE VISION
LIGHT TRANSMISSION UNTINTED
CROSS-SECTIONAL SHAPE STYLE SPHEROCYLINDER COMPOUND
BASE CURVE DIOPTER5.75 PLUS NOMINAL
SPHERE CURVE INSIDE DIOPTER3.25 MINUS MAXIMUM
CYLINDER CURVE INSIDE DIOPTER0.25 MINUS MAXIMUM
NONDEFINITIVE SPEC/STD DATAB CLASS AND 4 STYLE
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY DIAMETER
SUPPLEMENTARY FEATURESUNCUT
PART NAME ASSIGNED BY CONTROLLING AGENCYLENS OPHTHALMIC COMPOUND PLASTIC MINUS 3.25 ON MINUS 0.25