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National Stock Number:
6650-01-442-7510
Federal Supply Class:
6650
National Item Identification Number:
014427510
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:
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Techincal Specification:
| ELEMENT RIGHT SURFACE RADIUS | 28.000 INCHES | | ELEMENT LEFT SURFACE RADIUS | 0.000 INCHES | | AXIAL THICKNESS | 0.070 INCHES MINIMUM AND 0.175 INCHES MAXIMUM | | MATERIAL | GLASS | | SINGLE LENS STYLE | PLANO-CONCAVE | | SPECIAL FEATURES | SCRATCH & DIG 40-20 PER MIL-O-13830; OPTICAL POLISH ON BOTH FACES EDGES,SHINE EDGES; REFLECTING GLAESSES SURFACES PROVIDED WITH REFLECTIVE DEDUCINGCOATING |
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