NSN 6540-00-001-0646

Part Details | COMPOUND OPHTHALMIC LENS

6540-00-001-0646 A transparent optical element having a spherical curve and a cylindrical curve used to correct vision defects of the eye.

Alternate Parts: P4.00M3.50,CR39,8.50BC,71MM, P4.00M3.50,CR-39,8.50BC,71MM, 6540-00-001-0646, 00-001-0646, 6540000010646, 000010646

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
65DEC 17, 197100-001-064604121 ( LENS, OPHTHALMIC, COMPOUND )
REFERENCE DRAWINGS & PICTURES

SPHEROCYLINDER COMPOUND

LENS,OPHTHALMIC,COM | 6540-00-001-0646, 000010646

ROUND

LENS,OPHTHALMIC,COM | 6540-00-001-0646, 000010646
Cross Reference | NSN 6540-00-001-0646
Part Number Cage Code Manufacturer
P4.00M3.50,CR-39,8.50BC,71MM92083HIS VISION INC
Technical Data | NSN 6540-00-001-0646
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 DIOPTER8.50 PLUS NOMINAL
SPHERE CURVE INSIDE DIOPTER4.00 PLUS MAXIMUM
CYLINDER CURVE INSIDE DIOPTER3.50 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 4.00 ON MINUS 3.50