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National Stock Number:
6650-01-170-8716
Federal Supply Class:
6650
National Item Identification Number:
011708716
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:
| 13074208 | 04939 | LOCKHEED MARTIN CORPORATION | | 13074208 | 58260 | PROGRAM MANAGER ADVANCED ATTACK HELICOPTER BARCOM AMCPM-AAH |
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Techincal Specification:
| ELEMENT RIGHT SURFACE RADIUS | 1.767 INCHES AND 3.966 INCHES | | ELEMENT LEFT SURFACE RADIUS | -9.358 INCHES AND -1.767 INCHES | | AXIAL THICKNESS | 0.140 INCHES NOMINAL AND 0.100 INCHES NOMINAL | | COMPOUND LENS EDGE THICKNESS | 0.220 INCHES NOMINAL | | COMPOUND LENS OVERALL AXIAL THICKNESS | 0.240 INCHES NOMINAL | | COMPOUND LENS STYLE | DOUBLET | | DIAMETER | 1.067 INCHES NOMINAL | | INDIVIDUAL LENS STYLE | MENISCUS CONVERGING AND MENISCUS DIVERGING | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-O-13830, TYPE 620-603 MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | GLASS OPTICAL |
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