|
|
|
National Stock Number:
6650-00-518-2961
Federal Supply Class:
6650
National Item Identification Number:
005182961
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:
| 5182961 | 19200 | US ARMY ARDEC RDECOM |
|
Techincal Specification:
| ELEMENT RIGHT SURFACE RADIUS | 0.841 INCHES | | ELEMENT LEFT SURFACE RADIUS | 59.206 MILLIMETERS | | ABBE CONSTANT | 33.800 AND 57.400 | | AXIAL THICKNESS | 0.079 INCHES NOMINAL AND 0.496 INCHES NOMINAL | | BACK FOCAL LENGTH | 2.660 INCHES | | COMPOUND LENS EDGE THICKNESS | 0.425 INCHES NOMINAL | | COMPOUND LENS OVERALL AXIAL THICKNESS | 0.575 INCHES NOMINAL | | COMPOUND LENS STYLE | DOUBLET | | DIAMETER | 1.181 INCHES NOMINAL | | EQUIVALENT FOCAL LENGTH | 2.596 INCHES | | FRONT FOCAL LENGTH | 2.085 INCHES | | FSC APPLICATION DATA | TELESCOPE,ELBOW,INTEGRATED WITH FIRE CONTROL EQUIP | | INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND MENISCUS DIVERGING | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, CLASS 1, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | GLASS OPTICAL | | REFRACTION INDEX | 1.6490 NOMINAL AND 1.5720 NOMINAL |
|
|