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National Stock Number:
6650-00-757-5136
Federal Supply Class:
6650
National Item Identification Number:
007575136
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.
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Manufacturer Information:
| 7575136 | 19200 | US ARMY ARDEC RDECOM | | 7575136 | 22255 | PLX INC. | | 7575136 | 34870 | FJW OPTICAL SYSTEMS, INC | | 7575136 | 64281 | J M L OPTICAL INDUSTRIES, INC. |
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Techincal Specification:
| ELEMENT LEFT SURFACE RADIUS | 1.839 INCHES | | ELEMENT RIGHT SURFACE RADIUS | 2.231 INCHES | | ABBE CONSTANT | 36.200 AND 59.900 | | AXIAL THICKNESS | 0.185 INCHES NOMINAL AND 0.642 INCHES NOMINAL | | BACK FOCAL LENGTH | 13.196 INCHES | | COMPOUND LENS EDGE THICKNESS | 0.752 INCHES NOMINAL | | COMPOUND LENS OVERALL AXIAL THICKNESS | 0.827 INCHES NOMINAL | | COMPOUND LENS STYLE | DOUBLET | | DIAMETER | 1.634 INCHES NOMINAL | | EQUIVALENT FOCAL LENGTH | 11.046 INCHES | | FSC APPLICATION DATA | TELESCOPE,INTEGRATED WITH FIRE CONTROL EQUIPMENT | | INDIVIDUAL LENS STYLE | DOUBLE CONCAVE AND DOUBLE CONVEX | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, CLASS 1, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | GLASS OPTICAL | | REFRACTION INDEX | 1.6210 NOMINAL AND 1.5411 NOMINAL |
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