1240-00-764-8295 CELL,OPTICAL ELEMENT Index 1240-00-764-8298 CELL,OPTICAL ELEMENT

National Stock Number:
1240-00-764-8296

Federal Supply Class:
1240

National Item Identification Number:
007648296

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:
764829619200US ARMY ARDEC RDECOM


Techincal Specification:
DRIVE TYPESLOTTED FACE
ECCENTRIC CONSTRUCTIONNOT PROVIDED
ELEMENT SECURING METHODEXTERNAL THREAD
CHAMFER LOCATIONBOTH ENDS
CHAMFER SIZE0.045 IN. BY 75 DEG
FSC APPLICATION DATA1. SIGHT,REFLEX INTEGRATED WITH FIRE CONTROL
OVERALL DIAMETER1.850 INCHES NOMINAL
OVERALL HEIGHT0.640 INCHES NOMINAL
MATERIALALUMINUM ALLOY 2024
SCREW THREAD SERIES DESIGNATORUNS
THREAD CLASS3
THREAD DIRECTIONRIGHT-HAND
THREAD PITCH DIAMETERS+1.8244 TO 1.8500 INCHES
THREAD LENGTH0.180 INCHES
THREAD LOCATIONEXTERNAL
THREAD SIZE1.850 IN.-48


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