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National Stock Number:
6650-00-995-8015
Federal Supply Class:
6650
National Item Identification Number:
009958015
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:
| 5365009958015 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE | | 8213366 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| ELEMENT RIGHT SURFACE RADIUS | 5.044 INCHES | | ELEMENT LEFT SURFACE RADIUS | 8.718 INCHES | | ABBE CONSTANT | 27.800 | | AXIAL THICKNESS | 2.769 INCHES NOMINAL | | BACK FOCAL LENGTH | 4.453 INCHES | | DIAMETER | 4.080 INCHES NOMINAL | | EQUIVALENT FOCAL LENGTH | 3.919 INCHES | | FRONT FOCAL LENGTH | 3.684 INCHES | | INDIVIDUAL LENS STYLE | DOUBLE CONCAVE | | MATERIAL DOCUMENT AND CLASSIFICATION | JAN-G-174, GRADE B MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | GLASS OPTICAL | | SINGLE LENS STYLE | DOUBLE CONCAVE | | REFRACTION INDEX | 1.7510 NOMINAL |
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