Part Details | SEMIFINISHED COMPOUND OPHTHALMIC LENS BLANK
6540-00-104-5041 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, 6540-00-104-5041, 00-104-5041, 6540001045041, 001045041
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
65 | JUN 26, 1968 | 00-104-5041 | 30302 ( LENS BLANK, OPHTHALMIC, COMPOUND, SEMIFINISHED ) |
REFERENCE DRAWINGS & PICTURES
SPHEROCYLINDER COMPOUND
ROUND-RECTANGULAR WITH ROUNDED CORNERS
Cross Reference | NSN 6540-00-104-5041
Part Number | Cage Code | Manufacturer |
---|---|---|
MILL16991 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
Technical Data | NSN 6540-00-104-5041
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | ROUND-RECTANGULAR WITH ROUNDED CORNERS |
DIAMETER | 58.0 MILLIMETERS MINIMUM AND 63.0 MILLIMETERS MAXIMUM |
WIDTH | 58.0 MILLIMETERS MINIMUM AND 63.0 MILLIMETERS MAXIMUM |
HEIGHT | 58.0 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 DIOPTER | 4.25 PLUS NOMINAL |
CYLINDER CURVE OUTSIDE DIOPTER | 2.75 PLUS MAXIMUM |
NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND C CLASS |
DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY DIMENSIONS |
PART NAME ASSIGNED BY CONTROLLING AGENCY | LENS BLANK OPHTHALMIC COMP SEMIFINISHED A1 ROUND 58-63MM DIA W H |