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National Stock Number:
6650-01-271-8239
Federal Supply Class:
6650
National Item Identification Number:
012718239
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:
| SM-D-850293 | 34870 | FJW OPTICAL SYSTEMS, INC | | SM-D-850293 | 64281 | J M L OPTICAL INDUSTRIES, INC. | | SM-D-850293 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| ELEMENT LEFT SURFACE RADIUS | 4.932 INCHES | | ELEMENT RIGHT SURFACE RADIUS | 11.110 INCHES | | AXIAL THICKNESS | 0.204 INCHES MINIMUM AND 0.208 INCHES MAXIMUM | | DIAMETER | 3.133 INCHES MINIMUM AND 3.137 INCHES MAXIMUM | | LENGTH | 0.418 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, GRADE A, TYPE 517-642 MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | GLASS OPTICAL | | SINGLE LENS STYLE | MENISCUS DIVERGING | | SPECIAL FEATURES | COATED WITH REFLECTIVE MATERIAL; EDGES TO BE CHAMFER TO 45 DEG; CENTER OFGLASS HOLE SHELL BE .500 IN. DIA |
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