NSN 6540-00-164-4675
Part Details | COMPOUND OPHTHALMIC LENS
6540-00-164-4675 A transparent optical element having a spherical curve and a cylindrical curve used to correct vision defects of the eye.
Alternate Parts: MILL16991, 6540-00-164-4675, 00-164-4675, 6540001644675, 001644675
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) | 
|---|---|---|---|
| 65 | JAN 01, 1963 | 00-164-4675 | 04121 ( LENS, OPHTHALMIC, COMPOUND ) | 
REFERENCE DRAWINGS & PICTURES
SPHEROCYLINDER COMPOUND
							ROUND-RECTANGULAR WITH ROUNDED CORNERS
					Cross Reference | NSN 6540-00-164-4675
| Part Number | Cage Code | Manufacturer | 
|---|---|---|
| MILL16991 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY | 
Technical Data | NSN 6540-00-164-4675
| Characteristic | Specifications | 
|---|---|
| STYLE DESIGNATOR | ROUND-RECTANGULAR WITH ROUNDED CORNERS | 
| DIAMETER | 54.0 MILLIMETERS MINIMUM AND 65.0 MILLIMETERS MAXIMUM | 
| WIDTH | 52.0 MILLIMETERS MINIMUM AND 60.0 MILLIMETERS MAXIMUM | 
| HEIGHT | 52.0 MILLIMETERS MINIMUM AND 60.0 MILLIMETERS MAXIMUM | 
| THICKNESS | 2.0 MILLIMETERS NOMINAL | 
| MATERIAL AND LOCATION | GLASS, SODA-LIME SINGLE VISION | 
| LIGHT TRANSMISSION | UNTINTED | 
| CROSS-SECTIONAL SHAPE STYLE | SPHEROCYLINDER COMPOUND | 
| BASE CURVE DIOPTER | 4.00 PLUS NOMINAL | 
| CROSS CURVE DIOPTER | 1.25 PLUS NOMINAL | 
| NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 3 STYLE AND F CLASS | 
| DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY MAXIMUM DIAMETER | 
| SUPPLEMENTARY FEATURES | UNCUT | 
| PART NAME ASSIGNED BY CONTROLLING AGENCY | LENS OPHTHALMIC COMPOUND PLUS 4.00 WITH PLUS 1.25 |