NSN 6540-00-001-0671

Part Details | COMPOUND OPHTHALMIC LENS

6540-00-001-0671 A transparent optical element having a spherical curve and a cylindrical curve used to correct vision defects of the eye.

Alternate Parts: P2.253.75,CR39,71MM DIA, P2.25-3.75,CR-39,71MM DIA, 6540-00-001-0671, 00-001-0671, 6540000010671, 000010671

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
65DEC 17, 197100-001-067104121 ( LENS, OPHTHALMIC, COMPOUND )
REFERENCE DRAWINGS & PICTURES

SPHEROCYLINDER COMPOUND

ROUND

Cross Reference | NSN 6540-00-001-0671
Part Number Cage Code Manufacturer
P2.25-3.75,CR-39,71MM DIA92083HIS VISION INC
Technical Data | NSN 6540-00-001-0671
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 DIOPTER2.25 PLUS MAXIMUM
CYLINDER CURVE INSIDE DIOPTER3.75 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 2.25 ON MINUS 3.75