|
|
|
National Stock Number:
6650-00-382-0793
Federal Supply Class:
6650
National Item Identification Number:
003820793
Description:
LENS,OPTICAL INSTRUMENT
Detail:
An unmounted, transparent, color free lens which may be treated with a low reflection coating to increase light transmission. Includes single and compound elements. For items having two plane parallel surfaces, see WINDOW, OPTICAL INSTRUMENT. Excludes RETICLE, OPTICAL INSTRUMENT.
|
Manufacturer Information:
| 203035PC13 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 203035PC13 | 53711 | NAVAL SEA SYSTEMS COMMAND | | G8111PC13 | 74067 | KEUFFEL AND ESSER CO |
|
Techincal Specification:
| ELEMENT LEFT SURFACE RADIUS | 359.9 MILLIMETERS AND 116.4 MILLIMETERS | | ELEMENT RIGHT SURFACE RADIUS | 116.4 MILLIMETERS AND 400.1 MILLIMETERS | | ABBE CONSTANT | 36.800 AND 58.700 | | BACK FOCAL LENGTH | 45.980 CENTIMETERS | | AXIAL THICKNESS | 2.0 MILLIMETERS NOMINAL AND 4.0 MILLIMETERS NOMINAL | | COMPOUND LENS EDGE THICKNESS | 6.0 MILLIMETERS NOMINAL | | COMPOUND LENS STYLE | DOUBLET | | COMPOUND LENS OVERALL AXIAL THICKNESS | 6.0 MILLIMETERS NOMINAL | | DIAMETER | 22.0 MILLIMETERS NOMINAL | | EQUIVALENT FOCAL LENGTH | 46.194 CENTIMETERS | | FRONT FOCAL LENGTH | 46.010 CENTIMETERS | | INDIVIDUAL LENS STYLE | MENISCUS AND DOUBLE CONVEX | | MATERIAL | GLASS | | REFRACTION INDEX | 1.6158 NOMINAL AND 1.5183 NOMINAL |
|
|