NSN 6540-00-142-8604 MILL36460, 00-142-8604, 001428604
Product Details | SEMIFINISHED SPHERE OPHTHALMIC LENS BLANK
6540-00-142-8604 A transparent molded optical element having equal spherical diopter curvatures, an approximate size and shape, and has been ground and polished to a finished curvature on one surface only.
Part Alternates: MILL36460, 6540-00-142-8604, 00-142-8604, 6540001428604, 001428604
Medical, Dental, and Veterinary Equipment and Supplies | Ophthalmic Instruments, Equipment, and Supplies
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 65 | 26-JUL-68 | 00-142-8604 | 30303 ( LENS BLANK, OPHTHALMIC, SPHERE, SEMIFINISHED ) |
Drawings & Photos | NSN 6540-00-142-8604
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Technical Data | NSN 6540-00-142-8604
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | A3 ROUND |
| DIAMETER | 58.0 MILLIMETERS NOMINAL |
| THICKNESS | 4.0 MILLIMETERS NOMINAL |
| MATERIAL AND LOCATION | GLASS, SODA-LIME SINGLE VISION |
| LIGHT TRANSMISSION | TINTED |
| TINTED AREA LIGHT TRANSMITTANCE IN PERCENT | 31.0 |
| CROSS-SECTIONAL SHAPE STYLE | D2 SPHERE |
| BASE CURVE DIOPTER | 6.25 PLUS NOMINAL |
| CROSS CURVE DIOPTER | ANY ACCEPTABLE |
| SPHERE CURVE INSIDE DIOPTER | ANY ACCEPTABLE |
| SPHERE CURVE OUTSIDE DIOPTER | 6.25 PLUS MAXIMUM |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND B CLASS |
| DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY THICKNESS |
| III INTERMEDIATE PACKAGE QUANTITY | 5 |
| III EXTERIOR CONTAINER QUANTITY | 180 |
| III UNIT OF ISSUE WEIGHT | 0.25 POUNDS |
| III EXTERIOR CONTAINER WEIGHT | 45.00 POUNDS |
| III UNIT OF ISSUE CUBE | 0.0061 CUBIC FEET |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | LENS BLANK OPHTHALMIC SEMIFINISHED SPHERICAL PLUS 6.25 PLUS 6.25 |
| III EXTERIOR CONTAINER CUBIC MEASURE | 1.100 CUBIC FEET |
| MANUFACTURERS CODE | 81349 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MILL36460 |
Restrictions/Controls & Freight Information | NSN 6540-00-142-8604
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| Precious Metals Indicator Code: | A | Item does not contain precious metal |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||