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National Stock Number:
6650-00-829-7363
Federal Supply Class:
6650
National Item Identification Number:
008297363
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:
| 10542225 | 19200 | US ARMY ARDEC RDECOM | | 10542225 | 34870 | FJW OPTICAL SYSTEMS, INC | | 10542225 | 94809 | PLUMMER PRECISION OPTICS CO |
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Techincal Specification:
| ELEMENT RIGHT SURFACE RADIUS | 13.996 INCHES | | ABBE CONSTANT | 64.500 | | AXIAL THICKNESS | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM | | BACK FOCAL LENGTH | 27.071 INCHES | | DIAMETER | 6.865 INCHES MINIMUM AND 6.870 INCHES MAXIMUM | | EQUIVALENT FOCAL LENGTH | 27.071 INCHES | | FSC APPLICATION DATA | PERISCOPE XM44E1 | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, CLASS 1, GRADE B, TYPE 517-645 MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | GLASS OPTICAL | | REFRACTION INDEX | 1.5170 NOMINAL | | SINGLE LENS STYLE | PLANO-CONCAVE | | SPECIAL FEATURES | RADIUS 2 COATED WITH MAGNESIUM FLUORIDE |
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