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National Stock Number:
6650-00-934-8316
Federal Supply Class:
6650
National Item Identification Number:
009348316
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:
| 10543412 | 02731 | MCDONNELL DOUGLAS HELICOPTER CO INC | | 10543412 | 19200 | US ARMY ARDEC RDECOM | | 10543412 | 8V613 | THE BOEING COMPANY |
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Techincal Specification:
| DIAMETER | 1.962 INCHES NOMINAL | | ELEMENT LEFT SURFACE RADIUS | 4.516 INCHES AND -1.385 INCHES | | ELEMENT RIGHT SURFACE RADIUS | -1.385 INCHES AND -4.516 INCHES | | AXIAL THICKNESS | 0.610 INCHES NOMINAL AND 0.120 INCHES NOMINAL | | BACK FOCAL LENGTH | 5.252 INCHES | | COMPOUND LENS OVERALL AXIAL THICKNESS | 0.730 INCHES NOMINAL | | COMPOUND LENS STYLE | DOUBLET | | EQUIVALENT FOCAL LENGTH | 5.530 INCHES | | MATERIAL | GLASS, OPTICAL, MIL-G-174, CLASS 1, GRADE C, TYPE 617-366 AND GLASS, OPTICAL, MIL-G-174, CLASS 1, GRADE C, TYPE 523-586 | | PROPRIETARY CHARACTERISTICS | PACS |
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