1240-00-766-7451 CELL,OPTICAL ELEMENT Index 1240-00-766-7454 EYESHIELD,OPTICAL INSTRUMENT

National Stock Number:
1240-00-766-7453

Federal Supply Class:
1240

National Item Identification Number:
007667453

Description:
CELL,OPTICAL ELEMENT

Detail:
A CYLINDRICAL ITEM SPECIFICALLY DESIGNED TO HOLD A LENS, RETICLE, OR WINDOW IN AN OPTICAL SYSTEM. INCLUDES ECCENTRIC CELLS AND/OR RINGS DESIGNED TO BE ROTATED WITHIN THE INSTRUMENT TO SHIFT AN OPTICAL ELEMENT TO A PRESCRIBED POSITION.


Manufacturer Information:
766745319200US ARMY ARDEC RDECOM


Techincal Specification:
DRIVE TYPESLOTTED FACE
ECCENTRIC CONSTRUCTIONNOT PROVIDED
ELEMENT SECURING METHODTHREADED RING
CHAMFER LOCATIONBOTH ENDS
CHAMFER SIZE1/64 IN. BY 45 DEG
FSC APPLICATION DATATELESCOPE M73B1,INTEGRATED WITH FIRE CONTROL
OVERALL DIAMETER1.000 INCHES NOMINAL
OVERALL HEIGHT1.250 INCHES NOMINAL
MATERIALALUMINUM ALLOY 2024
SCREW THREAD SERIES DESIGNATORUNS
THREAD CLASS2A AND 1A
THREAD LOCATIONEXTERNAL AND INTERNAL
THREAD LENGTH0.110 INCHES AND 0.620 INCHES AND 0.094 INCHES
THREAD SIZE1.000 IN.-32 AND 0.684 IN.-48 AND 0.780 IN.-48


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