|
|
|
National Stock Number:
6650-00-622-4890
Federal Supply Class:
6650
National Item Identification Number:
006224890
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:
| 1240006224890 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE | | 1240006224890 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE | | 8289258 | 19200 | US ARMY ARDEC RDECOM |
|
Techincal Specification:
| ELEMENT LEFT SURFACE RADIUS | 1.333 INCHES | | ELEMENT RIGHT SURFACE RADIUS | 1.547 INCHES | | ABBE CONSTANT | 60.300 AND 33.800 | | AXIAL THICKNESS | 0.500 INCHES NOMINAL AND 0.100 INCHES NOMINAL | | BACK FOCAL LENGTH | 2.096 INCHES | | COMPOUND LENS EDGE THICKNESS | 0.109 INCHES NOMINAL | | COMPOUND LENS OVERALL AXIAL THICKNESS | 0.600 INCHES NOMINAL | | COMPOUND LENS STYLE | DOUBLET | | DIAMETER | 1.450 INCHES NOMINAL | | EQUIVALENT FOCAL LENGTH | 2.528 INCHES | | FSC APPLICATION DATA | PERISCOPE,INTEGRATED WITH FIRE CONTROL EQUIPMENT | | INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND PLANO-CONCAVE | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, CLASS 1, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | GLASS OPTICAL | | REFRACTION INDEX | 1.6200 NOMINAL AND 1.6490 NOMINAL |
|
|