NSN 6540-00-001-0491

Part Details | COMPOUND OPHTHALMIC LENS

6540-00-001-0491 A transparent optical element having a spherical curve and a cylindrical curve used to correct vision defects of the eye.

Alternate Parts: P5.25M2.25,10.50BC,71MM,CR39, P5.25M2.25,10.50BC,71MM,CR-39, 6540-00-001-0491, 00-001-0491, 6540000010491, 000010491

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
65DEC 17, 197100-001-049104121 ( LENS, OPHTHALMIC, COMPOUND )
REFERENCE DRAWINGS & PICTURES

SPHEROCYLINDER COMPOUND

ROUND

Cross Reference | NSN 6540-00-001-0491
Part Number Cage Code Manufacturer
P5.25M2.25,10.50BC,71MM,CR-393N062DISPENSERS OPTICAL SERVICE CORP
Technical Data | NSN 6540-00-001-0491
Characteristic Specifications
STYLE DESIGNATOR ROUND
DIAMETER71.0 MILLIMETERS MINIMUM
THICKNESS6.0 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 DIOPTER5.25 PLUS MAXIMUM
CYLINDER CURVE INSIDE DIOPTER2.25 MINUS MAXIMUM
NONDEFINITIVE SPEC/STD DATA3 STYLE AND B CLASS
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY DIAMETER
SUPPLEMENTARY FEATURESUNCUT
PART NAME ASSIGNED BY CONTROLLING AGENCYLENS OPHTHALMIC COMPOUND PLASTIC PLUS 5.25 ON MINUS 2.25