NSN 6540-00-001-0297

Part Details | COMPOUND OPHTHALMIC LENS

6540-00-001-0297 A transparent optical element having a spherical curve and a cylindrical curve used to correct vision defects of the eye.

Alternate Parts: LENS,P4.75XM0.75,8BC,71MM DIA., P475M75, 6540-00-001-0297, 00-001-0297, 6540000010297, 000010297

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
65DEC 17, 197100-001-029704121 ( LENS, OPHTHALMIC, COMPOUND )
REFERENCE DRAWINGS & PICTURES

SPHEROCYLINDER COMPOUND

ROUND

Cross Reference | NSN 6540-00-001-0297
Part Number Cage Code Manufacturer
LENS,P4.75XM0.75,8BC,71MM DIA.3N062DISPENSERS OPTICAL SERVICE CORP
P475M758V333I F OPTICAL COMPANY INCDBA CHICAGO OPTICAL CO
Technical Data | NSN 6540-00-001-0297
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 DIOPTER10.50 PLUS NOMINAL
SPHERE CURVE INSIDE DIOPTER4.75 PLUS MAXIMUM
CYLINDER CURVE INSIDE DIOPTER0.75 MINUS MAXIMUM
NONDEFINITIVE SPEC/STD DATA3 STYLE AND B CLASS
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BYDIAMETER
SUPPLEMENTARY FEATURESUNCUT
PART NAME ASSIGNED BY CONTROLLING AGENCYLENS OPHTHALMIC COMPOUND PLASTIC PLUS 4.75 ON MINUS 0.75