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National Stock Number:
6650-01-019-3431
Federal Supply Class:
6650
National Item Identification Number:
010193431
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:
| 11743225 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| AXIAL THICKNESS | 0.148 INCHES NOMINAL | | DIAMETER | 1.978 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, GRADE B, TYPE 622-360 MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | GLASS OPTICAL | | SINGLE LENS STYLE | PLANO-CONCAVE | | SPECIAL FEATURES | GLASS TEMPERATURE SHALL NOT EXCEED 284 DEG C DURING THE FABRICATION AND/OR COATING PROCESS |
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