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National Stock Number: 1240-00-759-3589
Federal Supply Class: 1240
National Item Identification Number: 007593589
Description: LENS,OPTICAL INSTRUMENT
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Manufacturer Information:
| 7593589 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| ELEMENT LEFT SURFACE RADIUS | 1.971 INCHES | | ELEMENT RIGHT SURFACE RADIUS | 7.968 INCHES | | ABBE CONSTANT | 64.500 | | AXIAL THICKNESS | 0.545 INCHES NOMINAL | | BACK FOCAL LENGTH | 4.450 INCHES | | DIAMETER | 1.733 INCHES NOMINAL | | EQUIVALENT FOCAL LENGTH | 4.913 INCHES | | FSC APPLICATION DATA | PERISCOPE,M20A1 | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, CLASS 1, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | GLASS OPTICAL | | REFRACTION INDEX | 1.5170 NOMINAL | | SINGLE LENS STYLE | MENISCUS CONVERGING |
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