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National Stock Number:
1240-00-520-4648
Federal Supply Class:
1240
National Item Identification Number:
005204648
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:
| 5204648 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| ABBE CONSTANT | 41.000 | | AXIAL THICKNESS | 0.144 INCHES MINIMUM AND 0.164 INCHES MAXIMUM | | BACK FOCAL LENGTH | 0.871 INCHES | | DIAMETER | 0.588 INCHES MINIMUM AND 0.594 INCHES MAXIMUM | | EQUIVALENT FOCAL LENGTH | 0.968 INCHES | | FRONT FOCAL LENGTH | 0.717 INCHES | | FSC APPLICATION DATA | TELESCOPE,OPTICAL,INTEGRATED WITH FIRE CONTROL EQUIP | | INDIVIDUAL LENS STYLE | PLANO-CONVEX | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, CLASS 1, GRADE C, TYPE 580-410 MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | GLASS OPTICAL | | REFRACTION INDEX | 1.5800 NOMINAL | | SINGLE LENS STYLE | PLANO-CONVEX |
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