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National Stock Number:
6650-00-131-0644
Federal Supply Class:
6650
National Item Identification Number:
001310644
Description:
RETICLE,OPTICAL INSTRUMENT
Detail:
AN ITEM, USUALLY MADE OF GLASS, HAVING FINE WIRES OR HAIRS, OR ETCHED OR PRINTED FINE LINES ON A SURFACE, AND PLACED IN THE FOCAL PLANE OF AN OPTICAL INSTRUMENT TO ESTABLISH A REFERENCE POINT TO THE AXIS FOR THE PURPOSE OF AIMING, MEASURING, RANGING, AND THE LIKE. EXCLUDES LENS, OPTICAL INSTRUMENT.
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Manufacturer Information:
| 180613PC1 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| RIM FINISH | GROUND | | STYLE DESIGNATOR | CROSSLINE | | SPECIAL FEATURES | 0.0197 IN. BEVEL DEPTH | | ANGLE IN DEG | 45.0 | | CONVEX SURFACE RADIUS | 1.4173 INCHES | | DISPERSION | 64.3 ANGSTROMS NOMINAL | | AXIAL THICKNESS | 0.2362 INCHES NOMINAL | | SUPPLEMENTARY FEATURES | MATERIAL OPTICAL GLASS PER JAN-G-174, GRADE C | | DIAMETER | 1.4173 INCHES NOMINAL | | MATERIAL | GLASS OPTICAL | | FSC APPLICATION DATA | FIRE CONTROL TELESCOPE MK 56 | | GRADUATIONS/MARKINGS | CROSS LINE | | REFRACTION INDEX | 1.5171 NOMINAL |
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