NSN 6540-00-001-0729

Part Details | COMPOUND OPHTHALMIC LENS

6540-00-001-0729 A transparent optical element having a spherical curve and a cylindrical curve used to correct vision defects of the eye.

Alternate Parts: M075M025,4BC,CR39,71MMDIA, M075M025,4BC,CR-39,71MMDIA, MILL36824, 6540-00-001-0729, 00-001-0729, 6540000010729, 000010729

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
65DEC 17, 197100-001-072904121 ( LENS, OPHTHALMIC, COMPOUND )
REFERENCE DRAWINGS & PICTURES

SPHEROCYLINDER COMPOUND

ROUND

Cross Reference | NSN 6540-00-001-0729
Part Number Cage Code Manufacturer
M075M025,4BC,CR-39,71MMDIA3N062DISPENSERS OPTICAL SERVICE CORP
MILL3682481349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
Technical Data | NSN 6540-00-001-0729
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 DIOPTER6.50 PLUS NOMINAL
SPHERE CURVE INSIDE DIOPTER0.75 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 0.75 ON MINUS 0.25