NSN 6540-00-104-5051

Part Details | SEMIFINISHED COMPOUND OPHTHALMIC LENS BLANK

6540-00-104-5051 A transparent molded optical element having a spherical diopter base curve and a cylindrical diopter cross curve, an approximate size and shape, and has been ground and polished to a finished curvature on one surface only.

Alternate Parts: MILL16991, 6540-00-104-5051, 00-104-5051, 6540001045051, 001045051

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
65JUN 26, 196800-104-505130302 ( LENS BLANK, OPHTHALMIC, COMPOUND, SEMIFINISHED )
REFERENCE DRAWINGS & PICTURES

SPHEROCYLINDER COMPOUND

ROUND-RECTANGULAR WITH ROUNDED CORNERS

Cross Reference | NSN 6540-00-104-5051
Part Number Cage Code Manufacturer
MILL1699181349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
Technical Data | NSN 6540-00-104-5051
Characteristic Specifications
STYLE DESIGNATOR ROUND-RECTANGULAR WITH ROUNDED CORNERS
DIAMETER58.0 MILLIMETERS MINIMUM AND 63.0 MILLIMETERS MAXIMUM
WIDTH58.0 MILLIMETERS MINIMUM AND 63.0 MILLIMETERS MAXIMUM
HEIGHT58.0 MILLIMETERS MINIMUM AND 63.0 MILLIMETERS MAXIMUM
MATERIAL AND LOCATION GLASS, SODA-LIME SINGLE VISION
LIGHT TRANSMISSION UNTINTED
CROSS-SECTIONAL SHAPE STYLE SPHEROCYLINDER COMPOUND
BASE CURVE DIOPTER4.25 PLUS NOMINAL
CYLINDER CURVE OUTSIDE DIOPTER5.50 PLUS MAXIMUM
NONDEFINITIVE SPEC/STD DATA1 TYPE AND C CLASS
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY DIMENSIONS
PART NAME ASSIGNED BY CONTROLLING AGENCYLENS BLANK OPHTHALMIC COMP SEMIFINISHED CYLINDER 4.25 PLUS 5.50