|
|
|
National Stock Number:
6650-00-546-9582
Federal Supply Class:
6650
National Item Identification Number:
005469582
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:
| 7591260 | 19200 | US ARMY ARDEC RDECOM | | 7591260 | 34870 | FJW OPTICAL SYSTEMS, INC | | 7591260 | 64281 | J M L OPTICAL INDUSTRIES, INC. |
|
Techincal Specification:
| ELEMENT LEFT SURFACE RADIUS | -3.555 INCHES AND 3.260 INCHES | | ELEMENT RIGHT SURFACE RADIUS | -3.555 INCHES AND 3.260 INCHES | | ABBE CONSTANT | 63.500 AND 36.200 | | AXIAL THICKNESS | 0.551 INCHES NOMINAL AND 0.160 INCHES NOMINAL | | BACK FOCAL LENGTH | 7.292 INCHES | | COMPOUND LENS EDGE THICKNESS | 0.458 INCHES NOMINAL | | COMPOUND LENS OVERALL AXIAL THICKNESS | 0.711 INCHES NOMINAL | | COMPOUND LENS STYLE | DOUBLET | | DIAMETER | 2.520 INCHES NOMINAL | | EQUIVALENT FOCAL LENGTH | 7.839 INCHES | | FRONT FOCAL LENGTH | 6.581 INCHES | | FSC APPLICATION DATA | SIGHT,REFLEX M18,INTEGRATED WITH FIRE CONTROL EQUIP | | 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 | 1.5110 NOMINAL AND 1.6210 NOMINAL |
|
|