1240-01-073-1729 HOLDER,OPTICAL ELEMENT Index 6650-01-073-1731 LENS,OPTICAL INSTRUMENT

National Stock Number:
6650-01-073-1730

Federal Supply Class:
6650

National Item Identification Number:
010731730

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.


Manufacturer Information:
11507525-218876U S ARMY AVIATION AND MISSILE COMMAND
11507525-234860NORTHROP GRUMMAN SYSTEMS CORPORATION
11507525-282577RAYTHEON COMPANY


Techincal Specification:
SPECIAL FEATURESPOLISHED AND COATED CLEAR APERTURE SURFACES
DIAMETER0.335 INCHES MINIMUM AND 0.337 INCHES MAXIMUM
MATERIALGLASS, OPTICAL, MIL-G-174, CLASS 1, GRADE A, TYPE 517-642
SINGLE LENS STYLEPLANO-CONCAVE
ELEMENT LEFT SURFACE RADIUS0.000 INCHES
ELEMENT RIGHT SURFACE RADIUS-260.000 INCHES
WIDTH0.125 INCHES NOMINAL


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