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National Stock Number:
6650-01-073-1722
Federal Supply Class:
6650
National Item Identification Number:
010731722
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:
| 11507487 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 11507487 | 34860 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 11507487 | 82577 | RAYTHEON COMPANY |
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Techincal Specification:
| ELEMENT LEFT SURFACE RADIUS | 5.861 INCHES | | ELEMENT RIGHT SURFACE RADIUS | 2.084 INCHES | | AXIAL THICKNESS | 0.296 INCHES MINIMUM AND 0.304 INCHES MAXIMUM | | BACK FOCAL LENGTH | 2.451 INCHES | | DIAMETER | 1.754 INCHES MINIMUM AND 1.758 INCHES MAXIMUM | | EQUIVALENT FOCAL LENGTH | 2.500 INCHES | | FRONT FOCAL LENGTH | 2.362 INCHES | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, CLASS 1, GRADE B, TYPE 620-603 MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | GLASS OPTICAL | | SINGLE LENS STYLE | DOUBLE CONVEX |
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