NSN 6540-01-375-0107
Part Details | SEMIFINISHED BIFOCAL OPHTHALMIC LENS BLANK
6540-01-375-0107 A transparent optical element consisting of a major blank and a bifocal segment. The blank and segment have been pressed in a glass mold to an approximate size and shape, and are ground and polished to a finished diopter curvature on one surface only.
Alternate Parts: CR39,35FT,6.50BC,1.25ADD,71MM, CR-39,35FT,6.50BC,1.25ADD,71MM, P6.50 BC, P1.25 ADD, 6540-01-375-0107, 01-375-0107, 6540013750107, 013750107
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) | 
|---|---|---|---|
| 65 | MAY 03, 1993 | 01-375-0107 | 30300 ( LENS BLANK, OPHTHALMIC, BIFOCAL, SEMIFINISHED ) | 
REFERENCE DRAWINGS & PICTURES
ROUND WITH STRAIGHT TOP BIFOCAL SEGMENT
					Cross Reference | NSN 6540-01-375-0107
| Part Number | Cage Code | Manufacturer | 
|---|---|---|
| CR-39,35FT,6.50BC,1.25ADD,71MM | 3N062 | DISPENSERS OPTICAL SERVICE CORP | 
| P6.50 BC, P1.25 ADD | 0G0R3 | SILOR OPTICAL OF FLORIDA INC | 
Technical Data | NSN 6540-01-375-0107
| Characteristic | Specifications | 
|---|---|
| STYLE DESIGNATOR | ROUND WITH STRAIGHT TOP BIFOCAL SEGMENT | 
| DIAMETER | 71.0 MILLIMETERS NOMINAL | 
| THICKNESS | 9.0 MILLIMETERS NOMINAL | 
| READING SEGMENT DIAMETER | 35.0 MILLIMETERS NOMINAL | 
| READING SEGMENT HEIGHT | 22.0 MILLIMETERS NOMINAL | 
| MATERIAL AND LOCATION | PLASTIC BIFOCAL | 
| LIGHT TRANSMISSION | UNTINTED | 
| BASE CURVE DIOPTER | 6.50 PLUS NOMINAL | 
| ADDITIONAL POWER RATING IN DIOPTERS | 1.250 BIFOCAL | 
| SPECIAL FEATURES | CR-39; CONVEX | 
| PART NAME ASSIGNED BY CONTROLLING AGENCY | LENS BLANK OPHTHALMIC BIFOCAL SEMIFINISHED PLAS +6.5 CR-39 71MM |