5305-00-531-9080 SCREW,MACHINE Index 1240-00-531-9083 RETAINER,OPTICAL ELEMENT

National Stock Number:
1240-00-531-9082

Federal Supply Class:
1240

National Item Identification Number:
005319082

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:
531908219200US ARMY ARDEC RDECOM


Techincal Specification:
ECCENTRIC CONSTRUCTIONNOT PROVIDED
DRIVE TYPESLOTTED FACE
ELEMENT SECURING METHODEXTERNAL THREAD
CHAMFER SIZE0.010 IN. BY 45 DEG
CHAMFER LOCATIONLARGER DIAMETER END
FSC APPLICATION DATABINOCULAR,M3
OVERALL DIAMETER0.897 INCHES NOMINAL
OVERALL LENGTH0.887 INCHES MINIMUM AND 0.893 INCHES MAXIMUM
MATERIALALUMINUM ALLOY 2024
SCREW THREAD SERIES DESIGNATORUNS
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.078 INCHES AND 0.125 INCHES
THREAD LOCATIONEXTERNAL
THREAD PITCH DIAMETERS+0.7903 TO 0.7935 INCHES AND +0.8849 TO 0.8880 INCHES
THREAD SIZE0.807 IN.-48 AND 0.897 IN.-72


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