NSN 6540-00-926-4803

Part Details | SEMIFINISHED COMPOUND OPHTHALMIC LENS BLANK

6540-00-926-4803 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, 6540-00-926-4803, 00-926-4803, 6540009264803, 009264803

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
65MAY 04, 196600-926-480330302 ( LENS BLANK, OPHTHALMIC, COMPOUND, SEMIFINISHED )
REFERENCE DRAWINGS & PICTURES

SPHEROCYLINDER COMPOUND

LENS BLANK,OPHTHALM | 6540-00-926-4803, 009264803

ROUND-RECTANGULAR WITH ROUNDED CORNERS

LENS BLANK,OPHTHALM | 6540-00-926-4803, 009264803
Cross Reference | NSN 6540-00-926-4803
Part Number Cage Code Manufacturer
MILL1699181349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
Technical Data | NSN 6540-00-926-4803
Characteristic Specifications
STYLE DESIGNATOR ROUND-RECTANGULAR WITH ROUNDED CORNERS
DIAMETER54.0 MILLIMETERS MINIMUM AND 58.0 MILLIMETERS MAXIMUM
WIDTH52.0 MILLIMETERS NOMINAL
HEIGHT52.0 MILLIMETERS NOMINAL
MATERIAL AND LOCATION GLASS, SODA-LIME SINGLE VISION
LIGHT TRANSMISSION UNTINTED
CROSS-SECTIONAL SHAPE STYLE SPHEROCYLINDER COMPOUND
BASE CURVE DIOPTER2.50 PLUS NOMINAL
CYLINDER CURVE OUTSIDE DIOPTER1.25 PLUS MAXIMUM
NONDEFINITIVE SPEC/STD DATA1 TYPE AND C CLASS
PART NAME ASSIGNED BY CONTROLLING AGENCYLENS BLANK OPHTH COMPOUND SEMIFINISHED GLASS +2.5 +1.25 DIOPTERS